#51902A#51902A

#51902A is a mid, vivid yellow-green. Relative luminance 0.219; OKLCH L 59.0% C 0.149 H 135.9°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#51902A
RGB	rgb(81, 144, 42)
HSL	hsl(97, 55%, 36%)
HSV	hsv(97, 71%, 56%)
CMYK	cmyk(43.8%, 0%, 70.8%, 43.5%)
CIE-LAB	lab(53.88, -38.51, 45.74)
CIE-LCH	lch(53.88, 59.79, 130.10°)
OKLab	oklab(58.95% -0.1071 0.104)
OKLCH	oklch(58.95% 0.149 135.9)
XYZ	xyz(13.7842, 21.8622, 5.6836)
Luminance	0.2186 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51902A #692A90

analogous

#84902A #51902A #2A9036

triadic

#51902A #2A5190 #902A51

tetradic

#51902A #2A8490 #692A90 #90362A

square

#51902A #2A8490 #692A90 #90362A

split-complementary

#51902A #362A90 #902A84

monochromatic

#1C310E #36611C #51902A #6CBF38 #8DD163

Accessibility & contrast

On white

3.91

#51902A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#51902A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51902A

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51902A	#FFFFFF	#000000	##000000
##51902A	1.00	3.91	5.37	5.37
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.37	21.00	1.00	1.00
##000000	5.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#95841A

Deuteranopia (green-blind)

#8D7F33

Tritanopia (blue-blind)

#4F8B7C

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #51902a;
/* rgb */ color: rgb(81, 144, 42);
/* oklch */ color: oklch(59.0% 0.149 135.9);

Tailwind

colors: {
  custom: {
    50: '#87b16a',
    500: '#51902a',
    950: '#000000',
  },
}

SCSS

$custom: #51902a;
$custom-light: #87b16a;
$custom-dark: #000000;

JSON

{
  "hex": "#51902a",
  "rgb": {
    "r": 81,
    "g": 144,
    "b": 42
  },
  "hsl": {
    "h": 97.059,
    "s": 54.839,
    "l": 36.471
  },
  "oklch": {
    "l": 0.5895,
    "c": 0.14928,
    "h": 135.9
  },
  "luminance": 0.21863
}

Semantic roles & 50–950 ramp

primary

#51902A

secondary

#955EB7

accent

#4ADEA5

background

#F8FAF6

surface

#F0F5EB

border

#CBCFC6

text

#0C1107

muted

#7D807A

Preview Lab

Preview with #51902A

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

Preview Lab → · Contrast checker → · Palette generator →