#91B540#91B540

#91B540 is a light, vivid yellow-green. Relative luminance 0.394; OKLCH L 72.3% C 0.149 H 124.7°. Best body text is #000000 at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#91B540
RGB	rgb(145, 181, 64)
HSL	hsl(78, 48%, 48%)
HSV	hsv(78, 65%, 71%)
CMYK	cmyk(19.9%, 0%, 64.6%, 29%)
CIE-LAB	lab(69.07, -29.57, 53.72)
CIE-LCH	lch(69.07, 61.33, 118.83°)
OKLab	oklab(72.32% -0.0848 0.1227)
OKLCH	oklch(72.32% 0.149 124.7)
XYZ	xyz(29.1265, 39.4374, 10.9272)
Luminance	0.3944 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#91B540 #6440B5

analogous

#B59F40 #91B540 #56B540

triadic

#91B540 #4091B5 #B54091

tetradic

#91B540 #40B59F #6440B5 #B54056

square

#91B540 #40B59F #6440B5 #B54056

split-complementary

#91B540 #4056B5 #9F40B5

monochromatic

#495B20 #6D8830 #91B540 #ACCA68 #C5DA96

Accessibility & contrast

On white

2.36

#91B540 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.89

#91B540 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #91B540

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##91B540	#FFFFFF	#000000	##000000
##91B540	1.00	2.36	8.89	8.89
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.89	21.00	1.00	1.00
##000000	8.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFAA31

Deuteranopia (green-blind)

#BAA849

Tritanopia (blue-blind)

#97AD9D

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #91b540;
/* rgb */ color: rgb(145, 181, 64);
/* oklch */ color: oklch(72.3% 0.149 124.7);

Tailwind

colors: {
  custom: {
    50: '#b4cb7a',
    500: '#91b540',
    950: '#000000',
  },
}

SCSS

$custom: #91b540;
$custom-light: #b4cb7a;
$custom-dark: #000000;

JSON

{
  "hex": "#91b540",
  "rgb": {
    "r": 145,
    "g": 181,
    "b": 64
  },
  "hsl": {
    "h": 78.462,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.72322,
    "c": 0.14918,
    "h": 124.7
  },
  "luminance": 0.39438
}

Semantic roles & 50–950 ramp

primary

#91B540

secondary

#9D8BC5

accent

#50D77A

background

#FBFCF7

surface

#F6F8EE

border

#D0D1C9

text

#11130A

muted

#80827C

Preview Lab

Preview with #91B540

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

Preview Lab → · Contrast checker → · Palette generator →