#51D32B#51D32B

#51D32B is a light, highly saturated green. Relative luminance 0.485; OKLCH L 76.5% C 0.228 H 140.0°. Best body text is #000000 at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#51D32B
RGB	rgb(81, 211, 43)
HSL	hsl(106, 66%, 50%)
HSV	hsv(106, 80%, 83%)
CMYK	cmyk(61.6%, 0%, 79.6%, 17.3%)
CIE-LAB	lab(75.15, -63.69, 66.26)
CIE-LCH	lch(75.15, 91.90, 133.87°)
OKLab	oklab(76.48% -0.1749 0.147)
OKLCH	oklch(76.48% 0.228 140)
XYZ	xyz(27.1224, 48.5097, 10.2190)
Luminance	0.4851 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D32B #AD2BD3

analogous

#A5D32B #51D32B #2BD359

triadic

#51D32B #2B51D3 #D32B51

tetradic

#51D32B #2BA5D3 #AD2BD3 #D3592B

square

#51D32B #2BA5D3 #AD2BD3 #D3592B

split-complementary

#51D32B #592BD3 #D32BA5

monochromatic

#2A6D16 #3DA021 #51D32B #7ADE5D #A4E890

Accessibility & contrast

On white

1.96

#51D32B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.70

#51D32B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D32B

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D32B	#FFFFFF	#000000	##000000
##51D32B	1.00	1.96	10.70	10.70
#FFFFFF	1.96	1.00	21.00	21.00
#000000	10.70	21.00	1.00	1.00
##000000	10.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9BF00

Deuteranopia (green-blind)

#C9B53F

Tritanopia (blue-blind)

#3FCCB4

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #51d32b;
/* rgb */ color: rgb(81, 211, 43);
/* oklch */ color: oklch(76.5% 0.228 140.0);

Tailwind

colors: {
  custom: {
    50: '#91e272',
    500: '#51d32b',
    950: '#000000',
  },
}

SCSS

$custom: #51d32b;
$custom-light: #91e272;
$custom-dark: #000000;

JSON

{
  "hex": "#51d32b",
  "rgb": {
    "r": 81,
    "g": 211,
    "b": 43
  },
  "hsl": {
    "h": 106.429,
    "s": 66.142,
    "l": 49.804
  },
  "oklch": {
    "l": 0.76479,
    "c": 0.22849,
    "h": 140
  },
  "luminance": 0.48512
}

Semantic roles & 50–950 ramp

primary

#51D32B

secondary

#C287D3

accent

#3FE9C3

background

#F9FDF7

surface

#F2FBED

border

#CCD4C8

text

#0E1509

muted

#7E837B

Preview Lab

Preview with #51D32B

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

Preview Lab → · Contrast checker → · Palette generator →