#91B421#91B421

#91B421 is a light, vivid yellow-green. Relative luminance 0.388; OKLCH L 71.9% C 0.167 H 123.0°. Best body text is #000000 at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#91B421
RGB	rgb(145, 180, 33)
HSL	hsl(74, 69%, 42%)
HSV	hsv(74, 82%, 71%)
CMYK	cmyk(19.4%, 0%, 81.7%, 29.4%)
CIE-LAB	lab(68.59, -30.82, 64.10)
CIE-LCH	lch(68.59, 71.12, 115.68°)
OKLab	oklab(71.87% -0.0908 0.1397)
OKLCH	oklch(71.87% 0.167 123)
XYZ	xyz(28.2732, 38.7719, 7.4328)
Luminance	0.3877 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#91B421 #4421B4

analogous

#B48E21 #91B421 #47B421

triadic

#91B421 #2191B4 #B42191

tetradic

#91B421 #21B48E #4421B4 #B42147

square

#91B421 #21B48E #4421B4 #B42147

split-complementary

#91B421 #2147B4 #8E21B4

monochromatic

#3E4D0E #678018 #91B421 #B4DA38 #C7E46B

Accessibility & contrast

On white

2.40

#91B421 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.75

#91B421 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #91B421

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##91B421	#FFFFFF	#000000	##000000
##91B421	1.00	2.40	8.75	8.75
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.75	21.00	1.00	1.00
##000000	8.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFA800

Deuteranopia (green-blind)

#BAA731

Tritanopia (blue-blind)

#99AB9A

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #91b421;
/* rgb */ color: rgb(145, 180, 33);
/* oklch */ color: oklch(71.9% 0.167 123.0);

Tailwind

colors: {
  custom: {
    50: '#b5ca6b',
    500: '#91b421',
    950: '#000000',
  },
}

SCSS

$custom: #91b421;
$custom-light: #b5ca6b;
$custom-dark: #000000;

JSON

{
  "hex": "#91b421",
  "rgb": {
    "r": 145,
    "g": 180,
    "b": 33
  },
  "hsl": {
    "h": 74.286,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.71873,
    "c": 0.16663,
    "h": 123
  },
  "luminance": 0.38772
}

Semantic roles & 50–950 ramp

primary

#91B421

secondary

#7E67CA

accent

#3CEC66

background

#FBFCF6

surface

#F6F8EC

border

#D0D1C7

text

#121307

muted

#81827A

Preview Lab

Preview with #91B421

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

Preview Lab → · Contrast checker → · Palette generator →