#91CF51#91CF51

#91CF51 is a light, vivid yellow-green. Relative luminance 0.512; OKLCH L 78.7% C 0.170 H 131.4°. Best body text is #000000 at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#91CF51
RGB	rgb(145, 207, 81)
HSL	hsl(90, 57%, 56%)
HSV	hsv(90, 61%, 81%)
CMYK	cmyk(30%, 0%, 60.9%, 18.8%)
CIE-LAB	lab(76.82, -40.10, 54.93)
CIE-LCH	lch(76.82, 68.01, 126.13°)
OKLab	oklab(78.66% -0.1124 0.1273)
OKLCH	oklch(78.66% 0.17 131.4)
XYZ	xyz(35.4747, 51.2383, 15.8039)
Luminance	0.5124 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#91CF51 #8F51CF

analogous

#CFCE51 #91CF51 #52CF51

triadic

#91CF51 #5191CF #CF5191

tetradic

#91CF51 #51CFCE #8F51CF #CF5152

square

#91CF51 #51CFCE #8F51CF #CF5152

split-complementary

#91CF51 #5152CF #CE51CF

monochromatic

#548224 #72B231 #91CF51 #AFDC81 #CEE9B1

Accessibility & contrast

On white

1.87

#91CF51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.25

#91CF51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #91CF51

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##91CF51	#FFFFFF	#000000	##000000
##91CF51	1.00	1.87	11.25	11.25
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.25	21.00	1.00	1.00
##000000	11.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7C143

Deuteranopia (green-blind)

#CFBC5A

Tritanopia (blue-blind)

#93C7B4

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #91cf51;
/* rgb */ color: rgb(145, 207, 81);
/* oklch */ color: oklch(78.7% 0.170 131.4);

Tailwind

colors: {
  custom: {
    50: '#b5de87',
    500: '#91cf51',
    950: '#000000',
  },
}

SCSS

$custom: #91cf51;
$custom-light: #b5de87;
$custom-dark: #000000;

JSON

{
  "hex": "#91cf51",
  "rgb": {
    "r": 145,
    "g": 207,
    "b": 81
  },
  "hsl": {
    "h": 89.524,
    "s": 56.757,
    "l": 56.471
  },
  "oklch": {
    "l": 0.78655,
    "c": 0.16985,
    "h": 131.4
  },
  "luminance": 0.51239
}

Semantic roles & 50–950 ramp

primary

#91CF51

secondary

#613B89

accent

#48E093

background

#FDFEFC

surface

#F8FCF3

border

#D1D5CD

text

#11150C

muted

#81847F

Preview Lab

Preview with #91CF51

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

Preview Lab → · Contrast checker → · Palette generator →