#51902B#51902B

#51902B is a mid, vivid yellow-green. Relative luminance 0.219; OKLCH L 59.0% C 0.149 H 136.0°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#51902B
RGB	rgb(81, 144, 43)
HSL	hsl(97, 54%, 37%)
HSV	hsv(97, 70%, 56%)
CMYK	cmyk(43.8%, 0%, 70.1%, 43.5%)
CIE-LAB	lab(53.89, -38.43, 45.34)
CIE-LCH	lch(53.89, 59.43, 130.29°)
OKLab	oklab(58.96% -0.1068 0.1033)
OKLCH	oklch(58.96% 0.149 136)
XYZ	xyz(13.8023, 21.8695, 5.7790)
Luminance	0.2187 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51902B #6A2B90

analogous

#84902B #51902B #2B9038

triadic

#51902B #2B5190 #902B51

tetradic

#51902B #2B8490 #6A2B90 #90382B

square

#51902B #2B8490 #6A2B90 #90382B

split-complementary

#51902B #382B90 #902B84

monochromatic

#1C320F #36611D #51902B #6CBF39 #8DD165

Accessibility & contrast

On white

3.91

#51902B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#51902B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51902B

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51902B	#FFFFFF	#000000	##000000
##51902B	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)

#95841C

Deuteranopia (green-blind)

#8D7F34

Tritanopia (blue-blind)

#4F8B7C

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #51902b;
/* rgb */ color: rgb(81, 144, 43);
/* oklch */ color: oklch(59.0% 0.149 136.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#51902b",
  "rgb": {
    "r": 81,
    "g": 144,
    "b": 43
  },
  "hsl": {
    "h": 97.426,
    "s": 54.011,
    "l": 36.667
  },
  "oklch": {
    "l": 0.58959,
    "c": 0.14857,
    "h": 136
  },
  "luminance": 0.2187
}

Semantic roles & 50–950 ramp

primary

#51902B

secondary

#9660B7

accent

#4ADDA6

background

#F8FAF6

surface

#F0F5EB

border

#CBCFC6

text

#0C1107

muted

#7D807A

Preview Lab

Preview with #51902B

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

Preview Lab → · Contrast checker → · Palette generator →