#5B831B#5B831B

#5B831B is a mid, vivid yellow-green. Relative luminance 0.185; OKLCH L 56.0% C 0.136 H 129.0°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#5B831B
RGB	rgb(91, 131, 27)
HSL	hsl(83, 66%, 31%)
HSV	hsv(83, 79%, 51%)
CMYK	cmyk(30.5%, 0%, 79.4%, 48.6%)
CIE-LAB	lab(50.14, -29.95, 47.83)
CIE-LCH	lch(50.14, 56.43, 122.05°)
OKLab	oklab(56.01% -0.0857 0.1059)
OKLCH	oklch(56.01% 0.136 129)
XYZ	xyz(12.6285, 18.5355, 3.9491)
Luminance	0.1854 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B831B #431B83

analogous

#83771B #5B831B #27831B

triadic

#5B831B #1B5B83 #831B5B

tetradic

#5B831B #1B8377 #431B83 #831B27

square

#5B831B #1B8377 #431B83 #831B27

split-complementary

#5B831B #1B2783 #771B83

monochromatic

#151E06 #385011 #5B831B #7EB625 #9ED841

Accessibility & contrast

On white

4.46

#5B831B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#5B831B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B831B

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B831B	#FFFFFF	#000000	##000000
##5B831B	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A7901

Deuteranopia (green-blind)

#847626

Tritanopia (blue-blind)

#5E7D70

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #5b831b;
/* rgb */ color: rgb(91, 131, 27);
/* oklch */ color: oklch(56.0% 0.136 129.0);

Tailwind

colors: {
  custom: {
    50: '#8da761',
    500: '#5b831b',
    950: '#000000',
  },
}

SCSS

$custom: #5b831b;
$custom-light: #8da761;
$custom-dark: #000000;

JSON

{
  "hex": "#5b831b",
  "rgb": {
    "r": 91,
    "g": 131,
    "b": 27
  },
  "hsl": {
    "h": 83.077,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.56007,
    "c": 0.13619,
    "h": 129
  },
  "luminance": 0.18536
}

Semantic roles & 50–950 ramp

primary

#5B831B

secondary

#7043B6

accent

#3FE980

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0D0F05

muted

#7D7F7A

Preview Lab

Preview with #5B831B

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

Preview Lab → · Contrast checker → · Palette generator →