Really Light Blue#D4FFFF, a cool brilliant aqua

At a glanceReally Light Blue is #D4FFFF, oklch(97.0% 0.044 196.5), a cool brilliant aqua. Match it with a warm medium red #AE6058 as an accent, a cool light blue #6E96BC for harmony, and a cool brilliant aqua #88FEFF the same color turned up. Try it as a light surface or a tinted neutral, and it takes black text at AA contrast. It's lighter than the paper, though, so no coated press can reach it. The brightest thing on a sheet is the sheet.
Color codes

Really Light Blue in RGB, HSL, OKLCH & more

Ready to ship: every line pastes straight into your codebase, and the whole file copies at once.

d4ffff.css
:root { /* how your code speaks it */ /* how your eyes measure it */ /* how the lab measures it, D65 2° */}/* tailwind v4 */

ART is Rhapsody's perceptual model. How ART works

Color family

What kind of teal is Really Light Blue?

Every color has a place in the standard vocabulary. This is Really Light Blue's, measured rather than asserted.

Really Light Blue's Munsell numbers: hue 9.5BG, value 9.7 (how light), chroma 8.1 (how vivid). That places it in ISCC-NBS block brilliant bluish green, one of 267 named ranges the standard sorts every color into. Chroma 8.1 is moderate. Clearly colored, but not so saturated it fights the colors around it.

It's already at the edge of what your screen can show for this hue. This color can't go any more saturated and still render.

Munsell coordinates and block from the ISCC-NBS system, computed by Rhapsody's own renotation inversion.

Tints & shades

Shades of Really Light Blue, lighter and darker

For hover states, washed backgrounds, and dark surfaces that still read as #D4FFFF. 13 steps, spaced evenly by eye, with the color itself sitting at its natural depth, really-light-blue-100.

Tints (light surfaces; dark text passes on every one)

Midtones (the color at full strength, for brand & accent work)

Shades (dark surfaces; light text passes on every one)

Rhapsody Palette

Most tools mix. Rhapsody measures.

Paste any color. The whole system comes back, contrast-checked before you see it.

Build your palette free

The window on the right was generated from #D4FFFF, like this whole page.

Accessibility

Is Really Light Blue accessible? Contrast with white & black

Strong contrast makes your work readable by everyone, and meets the WCAG standard accessibility law points at. AA is the floor; AAA is the tier worth aiming for in body text. Black text on #D4FFFF clears WCAG AAA. Every strip below is one surface, and the marks are the steps that reach AAA on it.

Rows are text, columns are background · 66 of 210 pairings reach WCAG 2.2 AAA, shown here.

Rhapsody Palette

Ship the audit, not screenshots.

Run #D4FFFF against the colors you actually ship, every pairing and any target, and export it: exact ratios, the AA tier, APCA, in one file.

Get the full audit

The audit on the right was calibrated from #D4FFFF, like this whole page.

Print

Really Light Blue in CMYK: one value for files, one per press

None of these presses can print this color. It's lighter than the paper, and ink only darkens a sheet, so the brightest thing on a printed page is the page itself. So what do you do? Pick a brighter stock, or let the paper be your lightest tone and build the contrast somewhere else.

In CMYK, #D4FFFF is . That is the value design tools and file formats use when no press is involved.

On press (what each standard prints)

CGATS21 CRPC1 (coldset news) can’t be reached
on screenon press

brighter than paper · no ink reaches it

GRACoL 2013 Uncoated (CRPC3) can’t be reached
on screenon press

brighter than paper · no ink reaches it

GRACoL 2013 (CRPC6) can’t be reached
on screenon press

brighter than paper · no ink reaches it

PSO Coated v3 (FOGRA51) can’t be reached
on screenon press

brighter than paper · no ink reaches it

Coated FOGRA39 can’t be reached
on screenon press

brighter than paper · no ink reaches it

Japan Color 2011 Coated can’t be reached
on screenon press

brighter than paper · no ink reaches it

APTEC Flexo Coated can’t be reached
on screenon press

brighter than paper · no ink reaches it

CGATS21 CRPC7 (extended gamut) can’t be reached
on screenon press

brighter than paper · no ink reaches it

Press values computed through the ICC characterization data each standard proofs against. Each CMYK above is the closest that standard can get. None of them reaches the color. It sits above the paper's own white.

Rhapsody Converter · coming soon

No surprises at the printer.

Run any color through the major press standards: FOGRA51, GRACoL, Japan Color, FOGRA39. It's coming soon. Create a free account and you'll get a note the moment it's live.

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The strip shows this page's tints and shades on screen, then through a standard GRACoL 2013 conversion.

The Really Light Blues

Colors similar to Really Light Blue

Here are other colors similar to Really Light Blue along with accessible text pairings and whether or not they're print-safe. Explore The Aquas

Very Light BlueVery Light Blue#D5FFFFblack text · AAAlighter than the paper
Very Pale BlueVery Pale Blue#D6FFFEblack text · AAAlighter than the paper
Ice BlueIce Blue#D7FFFEblack text · AAAlighter than the paper
Pale BluePale Blue#D0FEFEblack text · AAAlighter than the paper
IceIce#D6FFFAblack text · AAAlighter than the paper
Frosted MintFrosted Mint#DBFFF8black text · AAAlighter than the paper
Light Light BlueLight Light Blue#CAFFFBblack text · AAAlighter than the paper
Light CyanLight Cyan#E0FFFFblack text · AAAlighter than the paper
TranquilTranquil#E6FFFFblack text · AAAlighter than the paper
Eggshell BlueEggshell Blue#C4FFF7black text · AAAlighter than the paper
Clear DayClear Day#E9FFFDblack text · AAAlighter than the paper
DewDew#EAFFFEblack text · AAAlighter than the paper
Pale CyanPale Cyan#B7FFFAblack text · AAAlighter than the paper
Pale AquaPale Aqua#B8FFEBblack text · AAA✕ shifts on press
Light AquaLight Aqua#8CFFDBblack text · AAA✕ shifts on press
Bright CyanBright Cyan#41FDFEblack text · AAA✕ shifts on press
KikorangiKikorangi#00FFFEblack text · AAA✕ shifts on press
Bright TurquoiseBright Turquoise#0FFEF9black text · AAA✕ shifts on press
VodaVoda#00FFE9black text · AAA✕ shifts on press
Bright AquaBright Aqua#0BF9EAblack text · AAA✕ shifts on press
TurquoiseTurquoise#00FFD3black text · AAA✕ shifts on press
Aqua MarineAqua Marine#2EE8BBblack text · AAA✕ shifts on press
Medium TurquoiseMedium Turquoise#48D1CCblack text · AAA✕ shifts on press
Dark TurquoiseDark Turquoise#00CED1black text · AAA✕ shifts on press
JavaJava#1FC2C2black text · AAA✕ shifts on press
Puerto RicoPuerto Rico#3FC1AAblack text · AAA✕ shifts on press
TealishTealish#24BCA8black text · AAA! within tolerance
TopazTopaz#13BBAFblack text · AAA! within tolerance
Greeny BlueGreeny Blue#42B395black text · AAA✓ prints exactly
Light Sea GreenLight Sea Green#20B2AAblack text · AAA! within tolerance
KeppelKeppel#3AB09Eblack text · AAA✓ prints exactly
Persian GreenPersian Green#00A693black text · AA✓ prints exactly
NiagaraNiagara#06A189black text · AA✓ prints exactly
Blue/GreenBlue/Green#0F9B8Eblack text · AA✓ prints exactly
GossamerGossamer#069B81black text · AA✓ prints exactly
Pairings

Colors that go with Really Light Blue

The complementary color, straight across the wheel, is a warm dark pink #C5769E. Rhapsody's pick is the split complement, just to one side of it, a livelier pair.

The accent is for the moments that need attention, the harmony for the ones that need calm; the vivid is the same color with the volume up, for when it has to shout.

Downloads

Take Really Light Blue with you

The work on this page doesn't stay here. Save a card and the color arrives in your file, your deck or your board already decided.

Really Light Blue color codes: hex #D4FFFF, RGB, HSL, CMYK, and OKLCH, from Rhapsody
Paste it anywhere without coming back for it.
The full tonal scale of Really Light Blue, 13 steps from light to dark with every hex, from Rhapsody
Reach for the right depth instead of the one you have.
Really Light Blue paired with a warm medium red #AE6058, a cool light blue #6E96BC, a cool brilliant aqua #88FEFF: hex values and roles, from Rhapsody
Open a palette that already works together.
One free account

Your system is already built.

Rhapsody built it before you even asked: the scale, the neutrals, the utilities, every pairing calibrated.

This page's whole theme is built from one color. Palette does the same for yours: every step calibrated, every pairing checked, press included.

Every color on this page was calibrated, not mixed.

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