#51D242#51D242

#51D242 is a light, highly saturated green. Relative luminance 0.482; OKLCH L 76.4% C 0.215 H 141.6°. Best body text is #000000 at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#51D242
RGB	rgb(81, 210, 66)
HSL	hsl(114, 62%, 54%)
HSV	hsv(114, 69%, 82%)
CMYK	cmyk(61.4%, 0%, 68.6%, 17.6%)
CIE-LAB	lab(74.97, -61.73, 58.32)
CIE-LCH	lch(74.97, 84.92, 136.63°)
OKLab	oklab(76.38% -0.1684 0.1334)
OKLCH	oklch(76.38% 0.215 141.6)
XYZ	xyz(27.4219, 48.2332, 13.0180)
Luminance	0.4824 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D242 #C342D2

analogous

#99D242 #51D242 #42D27B

triadic

#51D242 #4251D2 #D24251

tetradic

#51D242 #4299D2 #C342D2 #D27B42

square

#51D242 #4299D2 #C342D2 #D27B42

split-complementary

#51D242 #7B42D2 #D24299

monochromatic

#277C1E #37AD29 #51D242 #7FDE73 #ACEAA5

Accessibility & contrast

On white

1.97

#51D242 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.65

#51D242 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D242

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D242	#FFFFFF	#000000	##000000
##51D242	1.00	1.97	10.65	10.65
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.65	21.00	1.00	1.00
##000000	10.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7BF2D

Deuteranopia (green-blind)

#C7B450

Tritanopia (blue-blind)

#3BCCB5

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #51d242;
/* rgb */ color: rgb(81, 210, 66);
/* oklch */ color: oklch(76.4% 0.215 141.6);

Tailwind

colors: {
  custom: {
    50: '#90e17e',
    500: '#51d242',
    950: '#000000',
  },
}

SCSS

$custom: #51d242;
$custom-light: #90e17e;
$custom-dark: #000000;

JSON

{
  "hex": "#51d242",
  "rgb": {
    "r": 81,
    "g": 210,
    "b": 66
  },
  "hsl": {
    "h": 113.75,
    "s": 61.538,
    "l": 54.118
  },
  "oklch": {
    "l": 0.76379,
    "c": 0.21489,
    "h": 141.6
  },
  "luminance": 0.48236
}

Semantic roles & 50–950 ramp

primary

#51D242

secondary

#D099D7

accent

#43E5D4

background

#F9FDF8

surface

#F2FBEF

border

#CCD4CA

text

#0E150A

muted

#7E837C

Preview Lab

Preview with #51D242

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

Preview Lab → · Contrast checker → · Palette generator →