#91BF51#91BF51

#91BF51 is a light, vivid yellow-green. Relative luminance 0.439; OKLCH L 74.9% C 0.148 H 128.5°. Best body text is #000000 at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#91BF51
RGB	rgb(145, 191, 81)
HSL	hsl(85, 46%, 53%)
HSV	hsv(85, 58%, 75%)
CMYK	cmyk(24.1%, 0%, 57.6%, 25.1%)
CIE-LAB	lab(72.14, -32.85, 49.66)
CIE-LCH	lch(72.14, 59.54, 123.48°)
OKLab	oklab(74.86% -0.0924 0.1161)
OKLCH	oklch(74.86% 0.148 128.5)
XYZ	xyz(31.7929, 43.8748, 14.5766)
Luminance	0.4387 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#91BF51 #7F51BF

analogous

#BFB651 #91BF51 #5ABF51

triadic

#91BF51 #5191BF #BF5191

tetradic

#91BF51 #51BFB6 #7F51BF #BF515A

square

#91BF51 #51BFB6 #7F51BF #BF515A

split-complementary

#91BF51 #515ABF #B651BF

monochromatic

#506D28 #719A39 #91BF51 #ADCF7E #CAE0AA

Accessibility & contrast

On white

2.15

#91BF51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.77

#91BF51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #91BF51

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##91BF51	#FFFFFF	#000000	##000000
##91BF51	1.00	2.15	9.77	9.77
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.77	21.00	1.00	1.00
##000000	9.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8B346

Deuteranopia (green-blind)

#C1B059

Tritanopia (blue-blind)

#95B7A7

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #91bf51;
/* rgb */ color: rgb(145, 191, 81);
/* oklch */ color: oklch(74.9% 0.148 128.5);

Tailwind

colors: {
  custom: {
    50: '#b4d285',
    500: '#91bf51',
    950: '#000000',
  },
}

SCSS

$custom: #91bf51;
$custom-light: #b4d285;
$custom-dark: #000000;

JSON

{
  "hex": "#91bf51",
  "rgb": {
    "r": 145,
    "g": 191,
    "b": 81
  },
  "hsl": {
    "h": 85.091,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.74861,
    "c": 0.14835,
    "h": 128.5
  },
  "luminance": 0.43875
}

Semantic roles & 50–950 ramp

primary

#91BF51

secondary

#B29ECE

accent

#52D689

background

#FBFCF8

surface

#F6F9EF

border

#D0D2CA

text

#11140B

muted

#80827C

Preview Lab

Preview with #91BF51

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

Preview Lab → · Contrast checker → · Palette generator →