#51BC1D#51BC1D

#51BC1D is a light, highly saturated green. Relative luminance 0.378; OKLCH L 70.4% C 0.209 H 138.3°. Best body text is #000000 at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#51BC1D
RGB	rgb(81, 188, 29)
HSL	hsl(100, 73%, 43%)
HSV	hsv(100, 85%, 74%)
CMYK	cmyk(56.9%, 0%, 84.6%, 26.3%)
CIE-LAB	lab(67.87, -56.42, 63.29)
CIE-LCH	lch(67.87, 84.78, 131.72°)
OKLab	oklab(70.45% -0.1561 0.1389)
OKLCH	oklch(70.45% 0.209 138.3)
XYZ	xyz(21.5975, 37.8026, 7.3207)
Luminance	0.3780 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BC1D #881DBC

analogous

#A1BC1D #51BC1D #1DBC38

triadic

#51BC1D #1D51BC #BC1D51

tetradic

#51BC1D #1DA1BC #881DBC #BC381D

square

#51BC1D #1DA1BC #881DBC #BC381D

split-complementary

#51BC1D #381DBC #BC1DA1

monochromatic

#23520D #3A8715 #51BC1D #6EE036 #94E86B

Accessibility & contrast

On white

2.45

#51BC1D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.56

#51BC1D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BC1D

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BC1D	#FFFFFF	#000000	##000000
##51BC1D	1.00	2.45	8.56	8.56
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.56	21.00	1.00	1.00
##000000	8.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2AB00

Deuteranopia (green-blind)

#B5A233

Tritanopia (blue-blind)

#47B5A0

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #51bc1d;
/* rgb */ color: rgb(81, 188, 29);
/* oklch */ color: oklch(70.4% 0.209 138.3);

Tailwind

colors: {
  custom: {
    50: '#8ed16a',
    500: '#51bc1d',
    950: '#000000',
  },
}

SCSS

$custom: #51bc1d;
$custom-light: #8ed16a;
$custom-dark: #000000;

JSON

{
  "hex": "#51bc1d",
  "rgb": {
    "r": 81,
    "g": 188,
    "b": 29
  },
  "hsl": {
    "h": 100.377,
    "s": 73.272,
    "l": 42.549
  },
  "oklch": {
    "l": 0.70448,
    "c": 0.20889,
    "h": 138.3
  },
  "luminance": 0.37804
}

Semantic roles & 50–950 ramp

primary

#51BC1D

secondary

#AC67CE

accent

#38F0B4

background

#F9FCF6

surface

#F2F9EC

border

#CCD2C7

text

#0E1407

muted

#7E827A

Preview Lab

Preview with #51BC1D

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

Preview Lab → · Contrast checker → · Palette generator →