Medium Sea Green#3CB371, a cool-leaning bold green

At a glanceMedium Sea Green is #3CB371, oklch(68.4% 0.144 155.0), a cool-leaning bold green, also known as mediumseagreen. Pair it with a warm rich pink #E0639D as an accent, a cool light turquoise #67BCD7 for harmony, and a cool-leaning faded green #BDCBC1 as a neutral. Put it to work as a brand or accent color, and it takes black text at AA contrast. A coated press has to move it a little, by less than a print run varies anyway.
Color codes

Medium Sea Green in RGB, HSL, OKLCH & more

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

3cb371.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 green is Medium Sea Green?

Every color has a place in the standard vocabulary. This is Medium Sea Green's, measured rather than asserted.

Medium Sea Green's Munsell numbers: hue 2.6G, value 6.4 (how light), chroma 9.2 (how vivid). That places it in ISCC-NBS block strong yellowish green, one of 267 named ranges the standard sorts every color into. Chroma 9.2 is moderate. Clearly colored, but not so saturated it fights the colors around it.

There's still some room before it hits the edge of what your screen can show for this hue. It could go a little more saturated and stay in gamut.

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

Tints & shades

Shades of Medium Sea Green, lighter and darker

For hover states, washed backgrounds, and dark surfaces that still read as #3CB371. 13 steps, spaced evenly by eye, with the color itself sitting at its natural depth, medium-sea-green-500.

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 #3CB371, like this whole page.

Accessibility

Is Medium Sea Green 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 #3CB371 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 · 70 of 210 pairings reach WCAG 2.2 AAA, shown here.

Rhapsody Palette

Ship the audit, not screenshots.

Run #3CB371 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 #3CB371, like this whole page.

Print

Medium Sea Green in CMYK: one value for files, one per press

Presses move this color a little, by less than a print run varies anyway, so a printer would call it a match. The pairs below show where each standard lands.

In CMYK, #3CB371 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) shifts on press
on screenon press

shifts ΔE00 3.1, 1.3× the 2.5 a run varies by

GRACoL 2013 Uncoated (CRPC3) shifts on press
on screenon press

shifts ΔE00 2.7, 1.1× the 2.5 a run varies by

GRACoL 2013 (CRPC6) prints exactly
on screenon press

in gamut · no shift

PSO Coated v3 (FOGRA51) within tolerance
on screenon press

shifts ΔE00 0.9, under the 2.5 a press run varies by

Coated FOGRA39 within tolerance
on screenon press

shifts ΔE00 1.2, under the 2.5 a press run varies by

Japan Color 2011 Coated within tolerance
on screenon press

shifts ΔE00 1.2, under the 2.5 a press run varies by

APTEC Flexo Coated within tolerance
on screenon press

shifts ΔE00 1.2, under the 2.5 a press run varies by

CGATS21 CRPC7 (extended gamut) prints exactly
on screenon press

in gamut · no shift

Press values computed through the ICC characterization data each standard proofs against. Each CMYK above is the closest that standard can get, near enough that a press run's own variation is the larger difference.

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 Medium Sea Greens

Colors similar to Medium Sea Green

Here are other colors similar to Medium Sea Green along with accessible text pairings and whether or not they're print-safe. Explore The Greens

Jade GreenJade Green#2BAF6Ablack text · AAA! within tolerance
Seaweed GreenSeaweed Green#35AD6Bblack text · AAA! within tolerance
AlgaeAlgae#54AC68black text · AAA✓ prints exactly
Dark Pastel GreenDark Pastel Green#56AE57black text · AAA✓ prints exactly
Chateau GreenChateau Green#40A860black text · AA✓ prints exactly
FernFern#63A950black text · AAA✓ prints exactly
GreenishGreenish#40A368black text · AA✓ prints exactly
Mid GreenMid Green#50A747black text · AA✓ prints exactly
Off GreenOff Green#6BA353black text · AA✓ prints exactly
Muted GreenMuted Green#5FA052black text · AA✓ prints exactly
Fruit SaladFruit Salad#4F9D5Dblack text · AA✓ prints exactly
Flat GreenFlat Green#699D4Cblack text · AA✓ prints exactly
Light Forest GreenLight Forest Green#4F9153black text · AA✓ prints exactly
Fern GreenFern Green#548D44black text · AA✓ prints exactly
Kelley GreenKelley Green#009337black text · AA! within tolerance
Sea GreenSea Green#2E8B57black text · AA✓ prints exactly
Forest GreenForest Green#228B22black text · AA✕ shifts on press
La PalmaLa Palma#368716black text · AA✕ shifts on press
Jungle GreenJungle Green#048243white text · AA✓ prints exactly
SalemSalem#097F4Bwhite text · AA✓ prints exactly
Tree GreenTree Green#2A7E19white text · AA✕ shifts on press
Pairings

Colors that go with Medium Sea Green

The complementary color, straight across the wheel, is a warm-leaning vivid purple #D465DE. 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 neutral carries the text and surfaces in between.

Downloads

Take Medium Sea Green 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.

Medium Sea Green color codes: hex #3CB371, RGB, HSL, CMYK, and OKLCH, from Rhapsody
Paste it anywhere without coming back for it.
The full tonal scale of Medium Sea Green, 13 steps from light to dark with every hex, from Rhapsody
Reach for the right depth instead of the one you have.
Medium Sea Green paired with a warm rich pink #E0639D, a cool light turquoise #67BCD7, a cool-leaning faded green #BDCBC1: hex values and roles, from Rhapsody
Open a palette that already works together.
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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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