#5B901D#5B901D

#5B901D is a mid, vivid yellow-green. Relative luminance 0.223; OKLCH L 59.4% C 0.152 H 131.9°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#5B901D
RGB	rgb(91, 144, 29)
HSL	hsl(88, 66%, 34%)
HSV	hsv(88, 80%, 56%)
CMYK	cmyk(36.8%, 0%, 79.9%, 43.5%)
CIE-LAB	lab(54.30, -35.80, 51.08)
CIE-LCH	lch(54.30, 62.37, 125.02°)
OKLab	oklab(59.4% -0.1014 0.113)
OKLCH	oklch(59.4% 0.152 131.9)
XYZ	xyz(14.5093, 22.2588, 4.6941)
Luminance	0.2226 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B901D #521D90

analogous

#908C1D #5B901D #22901D

triadic

#5B901D #1D5B90 #901D5B

tetradic

#5B901D #1D908C #521D90 #901D22

square

#5B901D #1D908C #521D90 #901D22

split-complementary

#5B901D #1D2290 #8C1D90

monochromatic

#1B2A08 #3B5D13 #5B901D #7BC327 #99DB4C

Accessibility & contrast

On white

3.85

#5B901D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#5B901D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B901D

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B901D	#FFFFFF	#000000	##000000
##5B901D	1.00	3.85	5.45	5.45
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#968400

Deuteranopia (green-blind)

#8F8029

Tritanopia (blue-blind)

#5C8A7B

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #5b901d;
/* rgb */ color: rgb(91, 144, 29);
/* oklch */ color: oklch(59.4% 0.152 131.9);

Tailwind

colors: {
  custom: {
    50: '#8eb163',
    500: '#5b901d',
    950: '#000000',
  },
}

SCSS

$custom: #5b901d;
$custom-light: #8eb163;
$custom-dark: #000000;

JSON

{
  "hex": "#5b901d",
  "rgb": {
    "r": 91,
    "g": 144,
    "b": 29
  },
  "hsl": {
    "h": 87.652,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.59403,
    "c": 0.15181,
    "h": 131.9
  },
  "luminance": 0.22259
}

Semantic roles & 50–950 ramp

primary

#5B901D

secondary

#804BBD

accent

#3EE98D

background

#F9FAF6

surface

#F1F5EB

border

#CBCFC6

text

#0D1006

muted

#7E7F7A

Preview Lab

Preview with #5B901D

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

Preview Lab → · Contrast checker → · Palette generator →