#51981D#51981D

#51981D is a mid, vivid yellow-green. Relative luminance 0.243; OKLCH L 61.0% C 0.167 H 135.6°. Best body text is #000000 at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#51981D
RGB	rgb(81, 152, 29)
HSL	hsl(95, 68%, 35%)
HSV	hsv(95, 81%, 60%)
CMYK	cmyk(46.7%, 0%, 80.9%, 40.4%)
CIE-LAB	lab(56.38, -42.73, 52.85)
CIE-LCH	lch(56.38, 67.96, 128.96°)
OKLab	oklab(60.98% -0.1194 0.1169)
OKLCH	oklch(60.98% 0.167 135.6)
XYZ	xyz(14.8430, 24.2936, 5.0692)
Luminance	0.2429 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51981D #641D98

analogous

#8E981D #51981D #1D9826

triadic

#51981D #1D5198 #981D51

tetradic

#51981D #1D8E98 #641D98 #98261D

square

#51981D #1D8E98 #641D98 #98261D

split-complementary

#51981D #261D98 #981D8E

monochromatic

#1A3109 #366513 #51981D #6CCB27 #8DDE52

Accessibility & contrast

On white

3.58

#51981D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.86

#51981D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51981D

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51981D	#FFFFFF	#000000	##000000
##51981D	1.00	3.58	5.86	5.86
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.86	21.00	1.00	1.00
##000000	5.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9E8B00

Deuteranopia (green-blind)

#94852B

Tritanopia (blue-blind)

#4E9281

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #51981d;
/* rgb */ color: rgb(81, 152, 29);
/* oklch */ color: oklch(61.0% 0.167 135.6);

Tailwind

colors: {
  custom: {
    50: '#89b764',
    500: '#51981d',
    950: '#000000',
  },
}

SCSS

$custom: #51981d;
$custom-light: #89b764;
$custom-dark: #000000;

JSON

{
  "hex": "#51981d",
  "rgb": {
    "r": 81,
    "g": 152,
    "b": 29
  },
  "hsl": {
    "h": 94.634,
    "s": 67.956,
    "l": 35.49
  },
  "oklch": {
    "l": 0.60976,
    "c": 0.1671,
    "h": 135.6
  },
  "luminance": 0.24295
}

Semantic roles & 50–950 ramp

primary

#51981D

secondary

#9150C1

accent

#3DEBA1

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1106

muted

#7D807A

Preview Lab

Preview with #51981D

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

Preview Lab → · Contrast checker → · Palette generator →