#B1D043#B1D043

#B1D043 is a light, vivid yellow-green. Relative luminance 0.549; OKLCH L 80.9% C 0.167 H 121.0°. Best body text is #000000 at 11.97:1 contrast (WCAG AA passes).

Color values

HEX	#B1D043
RGB	rgb(177, 208, 67)
HSL	hsl(73, 60%, 54%)
HSV	hsv(73, 68%, 82%)
CMYK	cmyk(14.9%, 0%, 67.8%, 18.4%)
CIE-LAB	lab(78.96, -29.39, 63.51)
CIE-LCH	lch(78.96, 69.98, 114.84°)
OKLab	oklab(80.86% -0.086 0.1431)
OKLCH	oklch(80.86% 0.167 121)
XYZ	xyz(41.7011, 54.8642, 13.7021)
Luminance	0.5486 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1D043 #6243D0

analogous

#D0A843 #B1D043 #6BD043

triadic

#B1D043 #43B1D0 #D043B1

tetradic

#B1D043 #43D0A8 #6243D0 #D0436B

square

#B1D043 #43D0A8 #6243D0 #D0436B

split-complementary

#B1D043 #436BD0 #A843D0

monochromatic

#667A1F #8FAB2B #B1D043 #C5DC74 #DAE8A5

Accessibility & contrast

On white

1.75

#B1D043 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.97

#B1D043 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D043

11.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1D043	#FFFFFF	#000000	##000000
##B1D043	1.00	1.75	11.97	11.97
#FFFFFF	1.75	1.00	21.00	21.00
#000000	11.97	21.00	1.00	1.00
##000000	11.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC42E

Deuteranopia (green-blind)

#D9C44E

Tritanopia (blue-blind)

#BAC5B4

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #b1d043;
/* rgb */ color: rgb(177, 208, 67);
/* oklch */ color: oklch(80.9% 0.167 121.0);

Tailwind

colors: {
  custom: {
    50: '#ccde7f',
    500: '#b1d043',
    950: '#000000',
  },
}

SCSS

$custom: #b1d043;
$custom-light: #ccde7f;
$custom-dark: #000000;

JSON

{
  "hex": "#b1d043",
  "rgb": {
    "r": 177,
    "g": 208,
    "b": 67
  },
  "hsl": {
    "h": 73.191,
    "s": 60,
    "l": 53.922
  },
  "oklch": {
    "l": 0.80859,
    "c": 0.16689,
    "h": 121
  },
  "luminance": 0.54864
}

Semantic roles & 50–950 ramp

primary

#B1D043

secondary

#463582

accent

#45E367

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150B

muted

#83847E

Preview Lab

Preview with #B1D043

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

Preview Lab → · Contrast checker → · Palette generator →