#B1DF43#B1DF43

#B1DF43 is a very light, vivid yellow-green. Relative luminance 0.625; OKLCH L 84.3% C 0.185 H 124.7°. Best body text is #000000 at 13.51:1 contrast (WCAG AA passes).

Color values

HEX	#B1DF43
RGB	rgb(177, 223, 67)
HSL	hsl(78, 71%, 57%)
HSV	hsv(78, 70%, 87%)
CMYK	cmyk(20.6%, 0%, 70%, 12.5%)
CIE-LAB	lab(83.19, -36.33, 67.78)
CIE-LCH	lch(83.19, 76.90, 118.19°)
OKLab	oklab(84.27% -0.1051 0.152)
OKLCH	oklch(84.27% 0.185 124.7)
XYZ	xyz(45.5326, 62.5272, 14.9792)
Luminance	0.6253 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1DF43 #7143DF

analogous

#DFBF43 #B1DF43 #63DF43

triadic

#B1DF43 #43B1DF #DF43B1

tetradic

#B1DF43 #43DFBF #7143DF #DF4363

square

#B1DF43 #43DFBF #7143DF #DF4363

split-complementary

#B1DF43 #4363DF #BF43DF

monochromatic

#6C8F18 #94C421 #B1DF43 #C7E877 #DCF1AC

Accessibility & contrast

On white

1.55

#B1DF43 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.51

#B1DF43 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1DF43

13.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1DF43	#FFFFFF	#000000	##000000
##B1DF43	1.00	1.55	13.51	13.51
#FFFFFF	1.55	1.00	21.00	21.00
#000000	13.51	21.00	1.00	1.00
##000000	13.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBD129

Deuteranopia (green-blind)

#E5CF50

Tritanopia (blue-blind)

#B9D4C0

Achromatopsia (no color)

#CFCFCF

Design tokens & code

CSS

--color: #b1df43;
/* rgb */ color: rgb(177, 223, 67);
/* oklch */ color: oklch(84.3% 0.185 124.7);

Tailwind

colors: {
  custom: {
    50: '#cce980',
    500: '#b1df43',
    950: '#000000',
  },
}

SCSS

$custom: #b1df43;
$custom-light: #cce980;
$custom-dark: #000000;

JSON

{
  "hex": "#b1df43",
  "rgb": {
    "r": 177,
    "g": 223,
    "b": 67
  },
  "hsl": {
    "h": 77.692,
    "s": 70.909,
    "l": 56.863
  },
  "oklch": {
    "l": 0.84274,
    "c": 0.1848,
    "h": 124.7
  },
  "luminance": 0.62528
}

Semantic roles & 50–950 ramp

primary

#B1DF43

secondary

#4F3294

accent

#3AEE6F

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14160B

muted

#83847E

Preview Lab

Preview with #B1DF43

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

Preview Lab → · Contrast checker → · Palette generator →