#91B731#91B731

#91B731 is a light, vivid yellow-green. Relative luminance 0.401; OKLCH L 72.7% C 0.162 H 124.4°. Best body text is #000000 at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#91B731
RGB	rgb(145, 183, 49)
HSL	hsl(77, 58%, 45%)
HSV	hsv(77, 73%, 72%)
CMYK	cmyk(20.8%, 0%, 73.2%, 28.2%)
CIE-LAB	lab(69.55, -31.49, 60.02)
CIE-LCH	lch(69.55, 67.78, 117.68°)
OKLab	oklab(72.68% -0.0914 0.1337)
OKLCH	oklch(72.68% 0.162 124.4)
XYZ	xyz(29.1652, 40.1082, 9.1103)
Luminance	0.4011 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#91B731 #5731B7

analogous

#B79A31 #91B731 #4EB731

triadic

#91B731 #3191B7 #B73191

tetradic

#91B731 #31B79A #5731B7 #B7314E

square

#91B731 #31B79A #5731B7 #B7314E

split-complementary

#91B731 #314EB7 #9A31B7

monochromatic

#445617 #6B8724 #91B731 #AED154 #C5DE84

Accessibility & contrast

On white

2.33

#91B731 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.02

#91B731 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #91B731

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##91B731	#FFFFFF	#000000	##000000
##91B731	1.00	2.33	9.02	9.02
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.02	21.00	1.00	1.00
##000000	9.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1AB17

Deuteranopia (green-blind)

#BCA93D

Tritanopia (blue-blind)

#98AE9D

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #91b731;
/* rgb */ color: rgb(145, 183, 49);
/* oklch */ color: oklch(72.7% 0.162 124.4);

Tailwind

colors: {
  custom: {
    50: '#b5cc72',
    500: '#91b731',
    950: '#000000',
  },
}

SCSS

$custom: #91b731;
$custom-light: #b5cc72;
$custom-dark: #000000;

JSON

{
  "hex": "#91b731",
  "rgb": {
    "r": 145,
    "g": 183,
    "b": 49
  },
  "hsl": {
    "h": 77.015,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.72676,
    "c": 0.16199,
    "h": 124.4
  },
  "luminance": 0.40108
}

Semantic roles & 50–950 ramp

primary

#91B731

secondary

#927CC8

accent

#47E173

background

#FBFCF7

surface

#F6F8ED

border

#D0D1C8

text

#121308

muted

#81827B

Preview Lab

Preview with #91B731

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

Preview Lab → · Contrast checker → · Palette generator →