#51D37C#51D37C

#51D37C is a light, vivid green. Relative luminance 0.498; OKLCH L 77.4% C 0.168 H 151.2°. Best body text is #000000 at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#51D37C
RGB	rgb(81, 211, 124)
HSL	hsl(140, 60%, 57%)
HSV	hsv(140, 62%, 83%)
CMYK	cmyk(61.6%, 0%, 41.2%, 17.3%)
CIE-LAB	lab(75.94, -54.64, 32.75)
CIE-LCH	lch(75.94, 63.70, 149.07°)
OKLab	oklab(77.39% -0.1477 0.0811)
OKLCH	oklch(77.39% 0.168 151.2)
XYZ	xyz(30.3233, 49.7901, 27.0773)
Luminance	0.4979 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D37C #D351A8

analogous

#67D351 #51D37C #51D3BD

triadic

#51D37C #7C51D3 #D37C51

tetradic

#51D37C #5167D3 #D351A8 #D3BD51

square

#51D37C #5167D3 #D351A8 #D3BD51

split-complementary

#51D37C #BD51D3 #D35167

monochromatic

#228744 #2FB85C #51D37C #82DFA1 #B3ECC6

Accessibility & contrast

On white

1.92

#51D37C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.96

#51D37C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D37C

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D37C	#FFFFFF	#000000	##000000
##51D37C	1.00	1.92	10.96	10.96
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.96	21.00	1.00	1.00
##000000	10.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4C276

Deuteranopia (green-blind)

#C3B782

Tritanopia (blue-blind)

#24D0BE

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #51d37c;
/* rgb */ color: rgb(81, 211, 124);
/* oklch */ color: oklch(77.4% 0.168 151.2);

Tailwind

colors: {
  custom: {
    50: '#8ee1a3',
    500: '#51d37c',
    950: '#000000',
  },
}

SCSS

$custom: #51d37c;
$custom-light: #8ee1a3;
$custom-dark: #000000;

JSON

{
  "hex": "#51d37c",
  "rgb": {
    "r": 81,
    "g": 211,
    "b": 124
  },
  "hsl": {
    "h": 139.846,
    "s": 59.633,
    "l": 57.255
  },
  "oklch": {
    "l": 0.77392,
    "c": 0.16847,
    "h": 151.2
  },
  "luminance": 0.49793
}

Semantic roles & 50–950 ramp

primary

#51D37C

secondary

#DAA6C9

accent

#45AFE3

background

#F9FDFA

surface

#F2FBF4

border

#CCD4CE

text

#0D150F

muted

#7E837F

Preview Lab

Preview with #51D37C

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →