#51931F#51931F

#51931F is a mid, vivid yellow-green. Relative luminance 0.227; OKLCH L 59.7% C 0.160 H 135.2°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#51931F
RGB	rgb(81, 147, 31)
HSL	hsl(94, 65%, 35%)
HSV	hsv(94, 79%, 58%)
CMYK	cmyk(44.9%, 0%, 78.9%, 42.4%)
CIE-LAB	lab(54.78, -40.55, 50.70)
CIE-LCH	lch(54.78, 64.93, 128.65°)
OKLab	oklab(59.66% -0.1134 0.1127)
OKLCH	oklch(59.66% 0.16 135.2)
XYZ	xyz(14.0741, 22.7149, 4.9389)
Luminance	0.2272 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51931F #611F93

analogous

#8B931F #51931F #1F9327

triadic

#51931F #1F5193 #931F51

tetradic

#51931F #1F8B93 #611F93 #93271F

square

#51931F #1F8B93 #611F93 #93271F

split-complementary

#51931F #271F93 #931F8B

monochromatic

#192E0A #356014 #51931F #6DC62A #8DDA52

Accessibility & contrast

On white

3.79

#51931F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#51931F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51931F

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51931F	#FFFFFF	#000000	##000000
##51931F	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)

#90812C

Tritanopia (blue-blind)

#4F8D7D

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #51931f;
/* rgb */ color: rgb(81, 147, 31);
/* oklch */ color: oklch(59.7% 0.160 135.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#51931f",
  "rgb": {
    "r": 81,
    "g": 147,
    "b": 31
  },
  "hsl": {
    "h": 94.138,
    "s": 65.169,
    "l": 34.902
  },
  "oklch": {
    "l": 0.59663,
    "c": 0.15989,
    "h": 135.2
  },
  "luminance": 0.22716
}

Semantic roles & 50–950 ramp

primary

#51931F

secondary

#8E50BE

accent

#40E8A0

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1106

muted

#7D807A

Preview Lab

Preview with #51931F

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

Preview Lab → · Contrast checker → · Palette generator →