#51C12D#51C12D

#51C12D is a light, highly saturated green. Relative luminance 0.401; OKLCH L 71.8% C 0.208 H 139.5°. Best body text is #000000 at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#51C12D
RGB	rgb(81, 193, 45)
HSL	hsl(105, 62%, 47%)
HSV	hsv(105, 77%, 76%)
CMYK	cmyk(58%, 0%, 76.7%, 24.3%)
CIE-LAB	lab(69.52, -57.35, 60.31)
CIE-LCH	lch(69.52, 83.22, 133.56°)
OKLab	oklab(71.83% -0.1578 0.1348)
OKLCH	oklch(71.83% 0.208 139.5)
XYZ	xyz(22.9360, 40.0767, 9.0090)
Luminance	0.4008 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C12D #9D2DC1

analogous

#9BC12D #51C12D #2DC153

triadic

#51C12D #2D51C1 #C12D51

tetradic

#51C12D #2D9BC1 #9D2DC1 #C1532D

square

#51C12D #2D9BC1 #9D2DC1 #C1532D

split-complementary

#51C12D #532DC1 #C12D9B

monochromatic

#275E16 #3C8F21 #51C12D #74D754 #9CE386

Accessibility & contrast

On white

2.33

#51C12D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.02

#51C12D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C12D

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C12D	#FFFFFF	#000000	##000000
##51C12D	1.00	2.33	9.02	9.02
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.02	21.00	1.00	1.00
##000000	9.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7AF05

Deuteranopia (green-blind)

#B9A63D

Tritanopia (blue-blind)

#44BAA5

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #51c12d;
/* rgb */ color: rgb(81, 193, 45);
/* oklch */ color: oklch(71.8% 0.208 139.5);

Tailwind

colors: {
  custom: {
    50: '#8ed571',
    500: '#51c12d',
    950: '#000000',
  },
}

SCSS

$custom: #51c12d;
$custom-light: #8ed571;
$custom-dark: #000000;

JSON

{
  "hex": "#51c12d",
  "rgb": {
    "r": 81,
    "g": 193,
    "b": 45
  },
  "hsl": {
    "h": 105.405,
    "s": 62.185,
    "l": 46.667
  },
  "oklch": {
    "l": 0.71833,
    "c": 0.20754,
    "h": 139.5
  },
  "luminance": 0.40079
}

Semantic roles & 50–950 ramp

primary

#51C12D

secondary

#B97ECC

accent

#43E5BE

background

#F9FDF7

surface

#F2FAED

border

#CCD3C8

text

#0E1408

muted

#7E837B

Preview Lab

Preview with #51C12D

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

Preview Lab → · Contrast checker → · Palette generator →