#51981E#51981E

#51981E is a mid, vivid yellow-green. Relative luminance 0.243; OKLCH L 61.0% C 0.167 H 135.7°. Best body text is #000000 at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#51981E
RGB	rgb(81, 152, 30)
HSL	hsl(95, 67%, 36%)
HSV	hsv(95, 80%, 60%)
CMYK	cmyk(46.7%, 0%, 80.3%, 40.4%)
CIE-LAB	lab(56.39, -42.67, 52.54)
CIE-LCH	lch(56.39, 67.69, 129.08°)
OKLab	oklab(60.98% -0.1192 0.1164)
OKLCH	oklch(60.98% 0.167 135.7)
XYZ	xyz(14.8556, 24.2986, 5.1354)
Luminance	0.2430 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51981E #651E98

analogous

#8E981E #51981E #1E9828

triadic

#51981E #1E5198 #981E51

tetradic

#51981E #1E8E98 #651E98 #98281E

square

#51981E #1E8E98 #651E98 #98281E

split-complementary

#51981E #281E98 #981E8E

monochromatic

#1B320A #366514 #51981E #6CCB28 #8DDD53

Accessibility & contrast

On white

3.58

#51981E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.86

#51981E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51981E

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51981E	#FFFFFF	#000000	##000000
##51981E	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)

#94852C

Tritanopia (blue-blind)

#4E9282

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #51981e;
/* rgb */ color: rgb(81, 152, 30);
/* oklch */ color: oklch(61.0% 0.167 135.7);

Tailwind

colors: {
  custom: {
    50: '#89b765',
    500: '#51981e',
    950: '#000000',
  },
}

SCSS

$custom: #51981e;
$custom-light: #89b765;
$custom-dark: #000000;

JSON

{
  "hex": "#51981e",
  "rgb": {
    "r": 81,
    "g": 152,
    "b": 30
  },
  "hsl": {
    "h": 94.918,
    "s": 67.033,
    "l": 35.686
  },
  "oklch": {
    "l": 0.60981,
    "c": 0.16661,
    "h": 135.7
  },
  "luminance": 0.243
}

Semantic roles & 50–950 ramp

primary

#51981E

secondary

#9251C0

accent

#3EEAA2

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1106

muted

#7D807A

Preview Lab

Preview with #51981E

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

Preview Lab → · Contrast checker → · Palette generator →