#51931C#51931C

#51931C is a mid, vivid yellow-green. Relative luminance 0.227; OKLCH L 59.6% C 0.161 H 135.0°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#51931C
RGB	rgb(81, 147, 28)
HSL	hsl(93, 68%, 34%)
HSV	hsv(93, 81%, 58%)
CMYK	cmyk(44.9%, 0%, 81%, 42.4%)
CIE-LAB	lab(54.76, -40.72, 51.65)
CIE-LCH	lch(54.76, 65.77, 128.25°)
OKLab	oklab(59.65% -0.114 0.1142)
OKLCH	oklch(59.65% 0.161 135)
XYZ	xyz(14.0364, 22.6998, 4.7403)
Luminance	0.2270 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51931C #5E1C93

analogous

#8D931C #51931C #1C9322

triadic

#51931C #1C5193 #931C51

tetradic

#51931C #1C8D93 #5E1C93 #93221C

square

#51931C #1C8D93 #5E1C93 #93221C

split-complementary

#51931C #221C93 #931C8D

monochromatic

#182C08 #356012 #51931C #6DC626 #8DDD4C

Accessibility & contrast

On white

3.79

#51931C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#51931C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51931C

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51931C	#FFFFFF	#000000	##000000
##51931C	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#998600

Deuteranopia (green-blind)

#90812A

Tritanopia (blue-blind)

#4F8D7D

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #51931c;
/* rgb */ color: rgb(81, 147, 28);
/* oklch */ color: oklch(59.6% 0.161 135.0);

Tailwind

colors: {
  custom: {
    50: '#88b363',
    500: '#51931c',
    950: '#000000',
  },
}

SCSS

$custom: #51931c;
$custom-light: #88b363;
$custom-dark: #000000;

JSON

{
  "hex": "#51931c",
  "rgb": {
    "r": 81,
    "g": 147,
    "b": 28
  },
  "hsl": {
    "h": 93.277,
    "s": 68,
    "l": 34.314
  },
  "oklch": {
    "l": 0.59645,
    "c": 0.16143,
    "h": 135
  },
  "luminance": 0.22701
}

Semantic roles & 50–950 ramp

primary

#51931C

secondary

#8C4CBF

accent

#3DEB9D

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1106

muted

#7D807A

Preview Lab

Preview with #51931C

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

Preview Lab → · Contrast checker → · Palette generator →