Skip to content

#3FCF91 Color

#3FCF91 is rgb(63, 207, 145) in RGB, hsl(154, 60%, 53%) in HSL, and about cmyk(70%, 0%, 30%, 19%) in CMYK. It has no registered color name of its own — the closest is Caribbean Green (#00CC99), clearly related but distinguishable side by side at ΔE 7.18. Black text is the more readable choice on this background.

#3FCF91
HEX#3FCF91
RGBrgb(63, 207, 145)
HSLhsl(154, 60%, 53%)
HSVhsv(154, 70%, 81%)
CMYKcmyk(70%, 0%, 30%, 19%)
OKLCHoklch(76.3% 0.151 160.4)
LABlab(74.54% -50.53 19.41)
LCHlch(74.54% 54.13 158.99)

What #3FCF91 Is Called

Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #3FCF91, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Caribbean Green#00CC99ΔE 7.18Eucalyptus#44D7A8ΔE 8.66Spearmint#4FE7B0ΔE 9.54Emerald#50C878ΔE 10.64Medium Sea Green#3CB371ΔE 11.24Mountain Meadow#30BA8FΔE 11.97

Browse the full index of named colors A-Z or every green in the library.

#3FCF91 Channel Values

How #3FCF91 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

ModelChannelsNotes
RGBR 63 · G 207 · B 1458-bit channels as sent to the display
HSLH 154° · S 60% · L 53%Easiest model for building lighter and darker variants
HSVH 154° · S 70% · V 81%Matches the picker in most design tools
CMYKC 70% · M 0% · Y 30% · K 19%Approximate ink mix; confirm with an ICC profile before printing
Luminance1.99:1 vs white · 10.55:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #3FCF91 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.

Fails AAWhite text1.99:1AA normal AA large AAA normal
TextBlack text10.55:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #3FCF91 in the contrast checker.

Colors That Go With #3FCF91

Pairings derived from color-wheel relationships. The complementary color sits opposite #3FCF91; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#3FCF91
Complementary
#CF3F7E
Analogous
#3FCF49
Analogous
#3FC5CF
Triadic
#913FCF
Triadic
#CF913F
Split comp.
#CF3FC5
Split comp.
#CF493F

Tints & Shades of #3FCF91

Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.

Tints

#58D59F
#74DCAF
#8DE2BD
#A9EACE
#C2F0DC
#DEF7EC

Shades

#2FBC7F
#289F6B
#218358
#196645
#124932
#0B2D1E

Want a full 50-950 ramp with semantic roles? Generate design tokens from #3FCF91.

How #3FCF91 Looks with Color Vision Deficiency

Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.

Typical#3FCF91
Protanopia#C0C092
Protanomaly#9DC691
Deuteranopia#B0B095
Deuteranomaly#90BD93
Tritanopia#56C9C9
Tritanomaly#4ECBB5
Achromatopsia#B8B8B8

Test a full palette in the color blindness simulator.

Using #3FCF91 in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-3fcf91: #3FCF91;
CSS backgroundbackground-color: #3FCF91;
Tailwind configcolors: { 'color-3fcf91': '#3FCF91' }
SwiftUIColor(red: 0.247, green: 0.812, blue: 0.569)
Android XML<color name="color_3fcf91">#3FCF91</color>
SVG fillfill="#3FCF91"

More Green Colors

#3FCF91 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#3FCF91 Frequently Asked Questions

What color is #3FCF91?

#3FCF91 is a mid-tone green — rgb(63, 207, 145) in RGB and hsl(154, 60%, 53%) in HSL. It carries no registered color name of its own; the closest named color is Caribbean Green (#00CC99), which is clearly related but distinguishable side by side at a CIE76 distance of 7.18.

What is the RGB value of #3FCF91?

#3FCF91 is rgb(63, 207, 145) — red 63, green 207, and blue 145 on the 0-255 scale.

What is the CMYK value of #3FCF91?

#3FCF91 converts to approximately cmyk(70%, 0%, 30%, 19%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #3FCF91 be black or white?

Black text is the more readable choice. #3FCF91 scores 1.99:1 against white and 10.55:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #3FCF91 as a CSS color keyword?

No. #3FCF91 is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is mediumseagreen (#3CB371) at a CIE76 distance of 11.24, which is visibly different.

Open #3FCF91 in a Tool

Hex to RGBHex to HSLHex to CMYKHex to OKLCHHex to PantoneBuild a paletteMake a gradient

Keep exploring: every green in the color library, the guide to shades of green, or the full color library.