#B1D751#B1D751

#B1D751 is a very light, vivid yellow-green. Relative luminance 0.585; OKLCH L 82.6% C 0.165 H 123.5°. Best body text is #000000 at 12.71:1 contrast (WCAG AA passes).

Color values

HEX	#B1D751
RGB	rgb(177, 215, 81)
HSL	hsl(77, 63%, 58%)
HSV	hsv(77, 62%, 84%)
CMYK	cmyk(17.7%, 0%, 62.3%, 15.7%)
CIE-LAB	lab(81.04, -31.72, 60.10)
CIE-LCH	lch(81.04, 67.96, 117.83°)
OKLab	oklab(82.57% -0.0911 0.1378)
OKLCH	oklch(82.57% 0.165 123.5)
XYZ	xyz(43.9174, 58.5418, 16.7690)
Luminance	0.5854 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1D751 #7751D7

analogous

#D7BA51 #B1D751 #6ED751

triadic

#B1D751 #51B1D7 #D751B1

tetradic

#B1D751 #51D7BA #7751D7 #D7516E

square

#B1D751 #51D7BA #7751D7 #D7516E

split-complementary

#B1D751 #516ED7 #BA51D7

monochromatic

#6E8D20 #95BF2C #B1D751 #C7E283 #DEEEB5

Accessibility & contrast

On white

1.65

#B1D751 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.71

#B1D751 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D751

12.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1D751	#FFFFFF	#000000	##000000
##B1D751	1.00	1.65	12.71	12.71
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.71	21.00	1.00	1.00
##000000	12.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3CA41

Deuteranopia (green-blind)

#DEC95B

Tritanopia (blue-blind)

#B9CDBB

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #b1d751;
/* rgb */ color: rgb(177, 215, 81);
/* oklch */ color: oklch(82.6% 0.165 123.5);

Tailwind

colors: {
  custom: {
    50: '#cbe387',
    500: '#b1d751',
    950: '#000000',
  },
}

SCSS

$custom: #b1d751;
$custom-light: #cbe387;
$custom-dark: #000000;

JSON

{
  "hex": "#b1d751",
  "rgb": {
    "r": 177,
    "g": 215,
    "b": 81
  },
  "hsl": {
    "h": 77.015,
    "s": 62.617,
    "l": 58.039
  },
  "oklch": {
    "l": 0.82567,
    "c": 0.16522,
    "h": 123.5
  },
  "luminance": 0.58542
}

Semantic roles & 50–950 ramp

primary

#B1D751

secondary

#533993

accent

#42E671

background

#FEFEFC

surface

#FBFCF4

border

#D4D5CE

text

#14150C

muted

#83847F

Preview Lab

Preview with #B1D751

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

Preview Lab → · Contrast checker → · Palette generator →