#B1D83F#B1D83F

#B1D83F is a very light, vivid yellow-green. Relative luminance 0.588; OKLCH L 82.6% C 0.179 H 122.9°. Best body text is #000000 at 12.76:1 contrast (WCAG AA passes).

Color values

HEX	#B1D83F
RGB	rgb(177, 216, 63)
HSL	hsl(75, 66%, 55%)
HSV	hsv(75, 71%, 85%)
CMYK	cmyk(18.1%, 0%, 70.8%, 15.3%)
CIE-LAB	lab(81.19, -33.36, 67.21)
CIE-LCH	lch(81.19, 75.03, 116.40°)
OKLab	oklab(82.65% -0.0972 0.1502)
OKLCH	oklch(82.65% 0.179 122.9)
XYZ	xyz(43.5851, 58.8175, 13.7584)
Luminance	0.5882 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1D83F #663FD8

analogous

#D8B33F #B1D83F #65D83F

triadic

#B1D83F #3FB1D8 #D83FB1

tetradic

#B1D83F #3FD8B3 #663FD8 #D83F65

square

#B1D83F #3FD8B3 #663FD8 #D83F65

split-complementary

#B1D83F #3F65D8 #B33FD8

monochromatic

#68821A #90B525 #B1D83F #C6E272 #DAEDA5

Accessibility & contrast

On white

1.65

#B1D83F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.76

#B1D83F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D83F

12.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1D83F	#FFFFFF	#000000	##000000
##B1D83F	1.00	1.65	12.76	12.76
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.76	21.00	1.00	1.00
##000000	12.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4CB24

Deuteranopia (green-blind)

#DFC94C

Tritanopia (blue-blind)

#BACDBA

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #b1d83f;
/* rgb */ color: rgb(177, 216, 63);
/* oklch */ color: oklch(82.6% 0.179 122.9);

Tailwind

colors: {
  custom: {
    50: '#cce47e',
    500: '#b1d83f',
    950: '#000000',
  },
}

SCSS

$custom: #b1d83f;
$custom-light: #cce47e;
$custom-dark: #000000;

JSON

{
  "hex": "#b1d83f",
  "rgb": {
    "r": 177,
    "g": 216,
    "b": 63
  },
  "hsl": {
    "h": 75.294,
    "s": 66.234,
    "l": 54.706
  },
  "oklch": {
    "l": 0.82648,
    "c": 0.17895,
    "h": 122.9
  },
  "luminance": 0.58818
}

Semantic roles & 50–950 ramp

primary

#B1D83F

secondary

#483289

accent

#3FE96A

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B1D83F

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

Preview Lab → · Contrast checker → · Palette generator →