#B1D951#B1D951

#B1D951 is a very light, vivid yellow-green. Relative luminance 0.596; OKLCH L 83.0% C 0.168 H 124.0°. Best body text is #000000 at 12.91:1 contrast (WCAG AA passes).

Color values

HEX	#B1D951
RGB	rgb(177, 217, 81)
HSL	hsl(78, 64%, 58%)
HSV	hsv(78, 63%, 85%)
CMYK	cmyk(18.4%, 0%, 62.7%, 14.9%)
CIE-LAB	lab(81.60, -32.65, 60.71)
CIE-LCH	lch(81.60, 68.94, 118.27°)
OKLab	oklab(83.02% -0.0937 0.1391)
OKLCH	oklch(83.02% 0.168 124)
XYZ	xyz(44.4298, 59.5666, 16.9398)
Luminance	0.5957 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1D951 #7951D9

analogous

#D9BD51 #B1D951 #6DD951

triadic

#B1D951 #51B1D9 #D951B1

tetradic

#B1D951 #51D9BD #7951D9 #D9516D

square

#B1D951 #51D9BD #7951D9 #D9516D

split-complementary

#B1D951 #516DD9 #BD51D9

monochromatic

#6F901F #96C22A #B1D951 #C8E483 #DEEFB5

Accessibility & contrast

On white

1.63

#B1D951 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.91

#B1D951 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D951

12.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1D951	#FFFFFF	#000000	##000000
##B1D951	1.00	1.63	12.91	12.91
#FFFFFF	1.63	1.00	21.00	21.00
#000000	12.91	21.00	1.00	1.00
##000000	12.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5CC40

Deuteranopia (green-blind)

#DFCA5B

Tritanopia (blue-blind)

#B9CFBD

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #b1d951;
/* rgb */ color: rgb(177, 217, 81);
/* oklch */ color: oklch(83.0% 0.168 124.0);

Tailwind

colors: {
  custom: {
    50: '#cbe488',
    500: '#b1d951',
    950: '#000000',
  },
}

SCSS

$custom: #b1d951;
$custom-light: #cbe488;
$custom-dark: #000000;

JSON

{
  "hex": "#b1d951",
  "rgb": {
    "r": 177,
    "g": 217,
    "b": 81
  },
  "hsl": {
    "h": 77.647,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.83021,
    "c": 0.16773,
    "h": 124
  },
  "luminance": 0.59567
}

Semantic roles & 50–950 ramp

primary

#B1D951

secondary

#543995

accent

#41E772

background

#FEFEFC

surface

#FBFCF4

border

#D4D5CE

text

#14150C

muted

#83847F

Preview Lab

Preview with #B1D951

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

Preview Lab → · Contrast checker → · Palette generator →