#51D458#51D458

#51D458 is a light, highly saturated green. Relative luminance 0.495; OKLCH L 77.1% C 0.201 H 144.2°. Best body text is #000000 at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#51D458
RGB	rgb(81, 212, 88)
HSL	hsl(123, 60%, 57%)
HSV	hsv(123, 62%, 83%)
CMYK	cmyk(61.8%, 0%, 58.5%, 16.9%)
CIE-LAB	lab(75.78, -60.20, 49.97)
CIE-LCH	lch(75.78, 78.23, 140.30°)
OKLab	oklab(77.11% -0.1632 0.1179)
OKLCH	oklch(77.11% 0.201 144.2)
XYZ	xyz(28.6966, 49.5381, 17.2802)
Luminance	0.4954 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D458 #D451CD

analogous

#8CD451 #51D458 #51D499

triadic

#51D458 #5851D4 #D45851

tetradic

#51D458 #518CD4 #D451CD #D49951

square

#51D458 #518CD4 #D451CD #D49951

split-complementary

#51D458 #9951D4 #D4518C

monochromatic

#228927 #2EBA35 #51D458 #82E087 #B3ECB6

Accessibility & contrast

On white

1.93

#51D458 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.91

#51D458 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D458

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D458	#FFFFFF	#000000	##000000
##51D458	1.00	1.93	10.91	10.91
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.91	21.00	1.00	1.00
##000000	10.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C24B

Deuteranopia (green-blind)

#C8B662

Tritanopia (blue-blind)

#35CFB9

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #51d458;
/* rgb */ color: rgb(81, 212, 88);
/* oklch */ color: oklch(77.1% 0.201 144.2);

Tailwind

colors: {
  custom: {
    50: '#90e28b',
    500: '#51d458',
    950: '#000000',
  },
}

SCSS

$custom: #51d458;
$custom-light: #90e28b;
$custom-dark: #000000;

JSON

{
  "hex": "#51d458",
  "rgb": {
    "r": 81,
    "g": 212,
    "b": 88
  },
  "hsl": {
    "h": 123.206,
    "s": 60.369,
    "l": 57.451
  },
  "oklch": {
    "l": 0.77113,
    "c": 0.20133,
    "h": 144.2
  },
  "luminance": 0.49541
}

Semantic roles & 50–950 ramp

primary

#51D458

secondary

#DBA6D8

accent

#44DBE4

background

#F9FEF8

surface

#F2FCF0

border

#CCD5CB

text

#0E150C

muted

#7E847D

Preview Lab

Preview with #51D458

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

Preview Lab → · Contrast checker → · Palette generator →