#51861D#51861D

#51861D is a mid, vivid yellow-green. Relative luminance 0.189; OKLCH L 56.2% C 0.144 H 133.1°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#51861D
RGB	rgb(81, 134, 29)
HSL	hsl(90, 64%, 32%)
HSV	hsv(90, 78%, 53%)
CMYK	cmyk(39.6%, 0%, 78.4%, 47.5%)
CIE-LAB	lab(50.56, -35.07, 47.35)
CIE-LCH	lch(50.56, 58.92, 126.53°)
OKLab	oklab(56.2% -0.0988 0.1054)
OKLCH	oklch(56.2% 0.144 133.1)
XYZ	xyz(12.1400, 18.8877, 4.1682)
Luminance	0.1889 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51861D #521D86

analogous

#86861D #51861D #1D861E

triadic

#51861D #1D5186 #861D51

tetradic

#51861D #1D8686 #521D86 #861E1D

square

#51861D #1D8686 #521D86 #861E1D

split-complementary

#51861D #1E1D86 #861D86

monochromatic

#142107 #335412 #51861D #6FB828 #8ED746

Accessibility & contrast

On white

4.40

#51861D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#51861D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51861D

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51861D	#FFFFFF	#000000	##000000
##51861D	1.00	4.40	4.78	4.78
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C7B04

Deuteranopia (green-blind)

#847728

Tritanopia (blue-blind)

#518072

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #51861d;
/* rgb */ color: rgb(81, 134, 29);
/* oklch */ color: oklch(56.2% 0.144 133.1);

Tailwind

colors: {
  custom: {
    50: '#87a962',
    500: '#51861d',
    950: '#000000',
  },
}

SCSS

$custom: #51861d;
$custom-light: #87a962;
$custom-dark: #000000;

JSON

{
  "hex": "#51861d",
  "rgb": {
    "r": 81,
    "g": 134,
    "b": 29
  },
  "hsl": {
    "h": 90.286,
    "s": 64.417,
    "l": 31.961
  },
  "oklch": {
    "l": 0.562,
    "c": 0.14443,
    "h": 133.1
  },
  "luminance": 0.18888
}

Semantic roles & 50–950 ramp

primary

#51861D

secondary

#8046B9

accent

#40E795

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1005

muted

#7D7F7A

Preview Lab

Preview with #51861D

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

Preview Lab → · Contrast checker → · Palette generator →