#5B901F#5B901F

#5B901F is a mid, vivid yellow-green. Relative luminance 0.223; OKLCH L 59.4% C 0.151 H 132.0°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#5B901F
RGB	rgb(91, 144, 31)
HSL	hsl(88, 65%, 34%)
HSV	hsv(88, 78%, 56%)
CMYK	cmyk(36.8%, 0%, 78.5%, 43.5%)
CIE-LAB	lab(54.31, -35.69, 50.43)
CIE-LCH	lch(54.31, 61.78, 125.28°)
OKLab	oklab(59.41% -0.1009 0.112)
OKLCH	oklch(59.41% 0.151 132)
XYZ	xyz(14.5348, 22.2690, 4.8286)
Luminance	0.2227 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B901F #541F90

analogous

#908D1F #5B901F #22901F

triadic

#5B901F #1F5B90 #901F5B

tetradic

#5B901F #1F908D #541F90 #901F22

square

#5B901F #1F908D #541F90 #901F22

split-complementary

#5B901F #1F2290 #8D1F90

monochromatic

#1B2B09 #3B5E14 #5B901F #7BC22A #99D950

Accessibility & contrast

On white

3.85

#5B901F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#5B901F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B901F

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B901F	#FFFFFF	#000000	##000000
##5B901F	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)

#968402

Deuteranopia (green-blind)

#8F802B

Tritanopia (blue-blind)

#5C8A7B

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #5b901f;
/* rgb */ color: rgb(91, 144, 31);
/* oklch */ color: oklch(59.4% 0.151 132.0);

Tailwind

colors: {
  custom: {
    50: '#8eb164',
    500: '#5b901f',
    950: '#000000',
  },
}

SCSS

$custom: #5b901f;
$custom-light: #8eb164;
$custom-dark: #000000;

JSON

{
  "hex": "#5b901f",
  "rgb": {
    "r": 91,
    "g": 144,
    "b": 31
  },
  "hsl": {
    "h": 88.142,
    "s": 64.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.59415,
    "c": 0.15076,
    "h": 132
  },
  "luminance": 0.2227
}

Semantic roles & 50–950 ramp

primary

#5B901F

secondary

#824EBC

accent

#40E88F

background

#F9FAF6

surface

#F1F5EB

border

#CBCFC6

text

#0D1006

muted

#7E7F7A

Preview Lab

Preview with #5B901F

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

Preview Lab → · Contrast checker → · Palette generator →