#51C040#51C040

#51C040 is a light, vivid green. Relative luminance 0.398; OKLCH L 71.7% C 0.195 H 141.1°. Best body text is #000000 at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#51C040
RGB	rgb(81, 192, 64)
HSL	hsl(112, 50%, 50%)
HSV	hsv(112, 67%, 75%)
CMYK	cmyk(57.8%, 0%, 66.7%, 24.7%)
CIE-LAB	lab(69.34, -55.51, 53.11)
CIE-LCH	lch(69.34, 76.82, 136.26°)
OKLab	oklab(71.72% -0.1517 0.1222)
OKLCH	oklch(71.72% 0.195 141.1)
XYZ	xyz(23.1673, 39.8167, 11.3140)
Luminance	0.3982 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C040 #AF40C0

analogous

#91C040 #51C040 #40C06F

triadic

#51C040 #4051C0 #C04051

tetradic

#51C040 #4091C0 #AF40C0 #C06F40

square

#51C040 #4091C0 #AF40C0 #C06F40

split-complementary

#51C040 #6F40C0 #C04091

monochromatic

#2A6421 #3D9230 #51C040 #7BCF6E #A5DE9C

Accessibility & contrast

On white

2.34

#51C040 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.96

#51C040 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C040

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C040	#FFFFFF	#000000	##000000
##51C040	1.00	2.34	8.96	8.96
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.96	21.00	1.00	1.00
##000000	8.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5AF2F

Deuteranopia (green-blind)

#B7A64C

Tritanopia (blue-blind)

#42BAA6

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #51c040;
/* rgb */ color: rgb(81, 192, 64);
/* oklch */ color: oklch(71.7% 0.195 141.1);

Tailwind

colors: {
  custom: {
    50: '#8dd47b',
    500: '#51c040',
    950: '#000000',
  },
}

SCSS

$custom: #51c040;
$custom-light: #8dd47b;
$custom-dark: #000000;

JSON

{
  "hex": "#51c040",
  "rgb": {
    "r": 81,
    "g": 192,
    "b": 64
  },
  "hsl": {
    "h": 112.031,
    "s": 50.394,
    "l": 50.196
  },
  "oklch": {
    "l": 0.71722,
    "c": 0.19482,
    "h": 141.1
  },
  "luminance": 0.39819
}

Semantic roles & 50–950 ramp

primary

#51C040

secondary

#C391CB

accent

#4EDAC7

background

#F9FDF7

surface

#F1FAEE

border

#CBD3C9

text

#0D140A

muted

#7E837C

Preview Lab

Preview with #51C040

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

Preview Lab → · Contrast checker → · Palette generator →