#51931D#51931D

#51931D is a mid, vivid yellow-green. Relative luminance 0.227; OKLCH L 59.7% C 0.161 H 135.0°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#51931D
RGB	rgb(81, 147, 29)
HSL	hsl(94, 67%, 35%)
HSV	hsv(94, 80%, 58%)
CMYK	cmyk(44.9%, 0%, 80.3%, 42.4%)
CIE-LAB	lab(54.77, -40.67, 51.34)
CIE-LCH	lch(54.77, 65.49, 128.38°)
OKLab	oklab(59.65% -0.1138 0.1138)
OKLCH	oklch(59.65% 0.161 135)
XYZ	xyz(14.0485, 22.7047, 4.8043)
Luminance	0.2271 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51931D #5F1D93

analogous

#8C931D #51931D #1D9324

triadic

#51931D #1D5193 #931D51

tetradic

#51931D #1D8C93 #5F1D93 #93241D

square

#51931D #1D8C93 #5F1D93 #93241D

split-complementary

#51931D #241D93 #931D8C

monochromatic

#192D09 #356013 #51931D #6DC627 #8DDC4E

Accessibility & contrast

On white

3.79

#51931D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#51931D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51931D

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51931D	#FFFFFF	#000000	##000000
##51931D	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: #51931d;
/* rgb */ color: rgb(81, 147, 29);
/* oklch */ color: oklch(59.7% 0.161 135.0);

Tailwind

colors: {
  custom: {
    50: '#88b364',
    500: '#51931d',
    950: '#000000',
  },
}

SCSS

$custom: #51931d;
$custom-light: #88b364;
$custom-dark: #000000;

JSON

{
  "hex": "#51931d",
  "rgb": {
    "r": 81,
    "g": 147,
    "b": 29
  },
  "hsl": {
    "h": 93.559,
    "s": 67.045,
    "l": 34.51
  },
  "oklch": {
    "l": 0.59651,
    "c": 0.16093,
    "h": 135
  },
  "luminance": 0.22705
}

Semantic roles & 50–950 ramp

primary

#51931D

secondary

#8D4DBF

accent

#3EEA9E

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1106

muted

#7D807A

Preview Lab

Preview with #51931D

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

Preview Lab → · Contrast checker → · Palette generator →