#51981C#51981C

#51981C is a mid, vivid yellow-green. Relative luminance 0.243; OKLCH L 61.0% C 0.168 H 135.5°. Best body text is #000000 at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#51981C
RGB	rgb(81, 152, 28)
HSL	hsl(94, 69%, 35%)
HSV	hsv(94, 82%, 60%)
CMYK	cmyk(46.7%, 0%, 81.6%, 40.4%)
CIE-LAB	lab(56.38, -42.78, 53.14)
CIE-LCH	lch(56.38, 68.22, 128.84°)
OKLab	oklab(60.97% -0.1196 0.1174)
OKLCH	oklch(60.97% 0.168 135.5)
XYZ	xyz(14.8308, 24.2887, 5.0051)
Luminance	0.2429 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51981C #631C98

analogous

#8F981C #51981C #1C9825

triadic

#51981C #1C5198 #981C51

tetradic

#51981C #1C8F98 #631C98 #98251C

square

#51981C #1C8F98 #631C98 #98251C

split-complementary

#51981C #251C98 #981C8F

monochromatic

#1A3109 #356412 #51981C #6DCC26 #8DDF50

Accessibility & contrast

On white

3.58

#51981C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.86

#51981C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51981C

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51981C	#FFFFFF	#000000	##000000
##51981C	1.00	3.58	5.86	5.86
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.86	21.00	1.00	1.00
##000000	5.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9E8B00

Deuteranopia (green-blind)

#94852B

Tritanopia (blue-blind)

#4E9281

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #51981c;
/* rgb */ color: rgb(81, 152, 28);
/* oklch */ color: oklch(61.0% 0.168 135.5);

Tailwind

colors: {
  custom: {
    50: '#89b764',
    500: '#51981c',
    950: '#000000',
  },
}

SCSS

$custom: #51981c;
$custom-light: #89b764;
$custom-dark: #000000;

JSON

{
  "hex": "#51981c",
  "rgb": {
    "r": 81,
    "g": 152,
    "b": 28
  },
  "hsl": {
    "h": 94.355,
    "s": 68.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.6097,
    "c": 0.16757,
    "h": 135.5
  },
  "luminance": 0.2429
}

Semantic roles & 50–950 ramp

primary

#51981C

secondary

#904EC1

accent

#3CECA1

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1106

muted

#7D807A

Preview Lab

Preview with #51981C

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

Preview Lab → · Contrast checker → · Palette generator →