#51902F#51902F

#51902F is a mid, vivid yellow-green. Relative luminance 0.219; OKLCH L 59.0% C 0.146 H 136.5°. Best body text is #000000 at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#51902F
RGB	rgb(81, 144, 47)
HSL	hsl(99, 51%, 37%)
HSV	hsv(99, 67%, 56%)
CMYK	cmyk(43.8%, 0%, 67.4%, 43.5%)
CIE-LAB	lab(53.92, -38.09, 43.67)
CIE-LCH	lch(53.92, 57.95, 131.09°)
OKLab	oklab(59% -0.1056 0.1003)
OKLCH	oklch(59% 0.146 136.5)
XYZ	xyz(13.8793, 21.9003, 6.1846)
Luminance	0.2190 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51902F #6E2F90

analogous

#81902F #51902F #2F903E

triadic

#51902F #2F5190 #902F51

tetradic

#51902F #2F8190 #6E2F90 #903E2F

square

#51902F #2F8190 #6E2F90 #903E2F

split-complementary

#51902F #3E2F90 #902F81

monochromatic

#1D3411 #376220 #51902F #6BBE3E #8ECF6B

Accessibility & contrast

On white

3.90

#51902F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.38

#51902F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51902F

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51902F	#FFFFFF	#000000	##000000
##51902F	1.00	3.90	5.38	5.38
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.38	21.00	1.00	1.00
##000000	5.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#958422

Deuteranopia (green-blind)

#8C7F37

Tritanopia (blue-blind)

#4E8B7C

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #51902f;
/* rgb */ color: rgb(81, 144, 47);
/* oklch */ color: oklch(59.0% 0.146 136.5);

Tailwind

colors: {
  custom: {
    50: '#87b16c',
    500: '#51902f',
    950: '#000000',
  },
}

SCSS

$custom: #51902f;
$custom-light: #87b16c;
$custom-dark: #000000;

JSON

{
  "hex": "#51902f",
  "rgb": {
    "r": 81,
    "g": 144,
    "b": 47
  },
  "hsl": {
    "h": 98.969,
    "s": 50.785,
    "l": 37.451
  },
  "oklch": {
    "l": 0.58996,
    "c": 0.14563,
    "h": 136.5
  },
  "luminance": 0.21901
}

Semantic roles & 50–950 ramp

primary

#51902F

secondary

#9965B6

accent

#4EDAA9

background

#F8FAF6

surface

#F0F5EC

border

#CBCFC7

text

#0C1107

muted

#7D807A

Preview Lab

Preview with #51902F

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

Preview Lab → · Contrast checker → · Palette generator →