#51841C#51841C

#51841C is a mid, vivid yellow-green. Relative luminance 0.183; OKLCH L 55.7% C 0.142 H 132.7°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#51841C
RGB	rgb(81, 132, 28)
HSL	hsl(89, 65%, 31%)
HSV	hsv(89, 79%, 52%)
CMYK	cmyk(38.6%, 0%, 78.8%, 48.2%)
CIE-LAB	lab(49.90, -34.24, 47.06)
CIE-LCH	lch(49.90, 58.20, 126.04°)
OKLab	oklab(55.66% -0.0966 0.1046)
OKLCH	oklch(55.66% 0.142 132.7)
XYZ	xyz(11.8540, 18.3352, 4.0128)
Luminance	0.1834 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51841C #4F1C84

analogous

#84831C #51841C #1D841C

triadic

#51841C #1C5184 #841C51

tetradic

#51841C #1C8483 #4F1C84 #841C1D

square

#51841C #1C8483 #4F1C84 #841C1D

split-complementary

#51841C #1C1D84 #831C84

monochromatic

#131F07 #325211 #51841C #70B627 #8FD743

Accessibility & contrast

On white

4.50

#51841C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#51841C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51841C

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51841C	#FFFFFF	#000000	##000000
##51841C	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A7903

Deuteranopia (green-blind)

#837527

Tritanopia (blue-blind)

#527E70

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #51841c;
/* rgb */ color: rgb(81, 132, 28);
/* oklch */ color: oklch(55.7% 0.142 132.7);

Tailwind

colors: {
  custom: {
    50: '#87a861',
    500: '#51841c',
    950: '#000000',
  },
}

SCSS

$custom: #51841c;
$custom-light: #87a861;
$custom-dark: #000000;

JSON

{
  "hex": "#51841c",
  "rgb": {
    "r": 81,
    "g": 132,
    "b": 28
  },
  "hsl": {
    "h": 89.423,
    "s": 65,
    "l": 31.373
  },
  "oklch": {
    "l": 0.55662,
    "c": 0.1424,
    "h": 132.7
  },
  "luminance": 0.18336
}

Semantic roles & 50–950 ramp

primary

#51841C

secondary

#7D45B7

accent

#40E892

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C0F05

muted

#7D7F7A

Preview Lab

Preview with #51841C

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

Preview Lab → · Contrast checker → · Palette generator →