#B1D542#B1D542

#B1D542 is a light, vivid yellow-green. Relative luminance 0.573; OKLCH L 82.0% C 0.173 H 122.3°. Best body text is #000000 at 12.47:1 contrast (WCAG AA passes).

Color values

HEX	#B1D542
RGB	rgb(177, 213, 66)
HSL	hsl(75, 64%, 55%)
HSV	hsv(75, 69%, 84%)
CMYK	cmyk(16.9%, 0%, 69%, 16.5%)
CIE-LAB	lab(80.36, -31.80, 65.30)
CIE-LCH	lch(80.36, 72.63, 115.96°)
OKLab	oklab(81.99% -0.0927 0.1467)
OKLCH	oklch(81.99% 0.174 122.3)
XYZ	xyz(42.9096, 57.3288, 13.9582)
Luminance	0.5733 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1D542 #6642D5

analogous

#D5B042 #B1D542 #68D542

triadic

#B1D542 #42B1D5 #D542B1

tetradic

#B1D542 #42D5B0 #6642D5 #D54268

square

#B1D542 #42D5B0 #6642D5 #D54268

split-complementary

#B1D542 #4268D5 #B042D5

monochromatic

#68801C #90B228 #B1D542 #C6E074 #DAEBA6

Accessibility & contrast

On white

1.68

#B1D542 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.47

#B1D542 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D542

12.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1D542	#FFFFFF	#000000	##000000
##B1D542	1.00	1.68	12.47	12.47
#FFFFFF	1.68	1.00	21.00	21.00
#000000	12.47	21.00	1.00	1.00
##000000	12.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1C82A

Deuteranopia (green-blind)

#DDC74E

Tritanopia (blue-blind)

#BACAB8

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #b1d542;
/* rgb */ color: rgb(177, 213, 66);
/* oklch */ color: oklch(82.0% 0.173 122.3);

Tailwind

colors: {
  custom: {
    50: '#cce27f',
    500: '#b1d542',
    950: '#000000',
  },
}

SCSS

$custom: #b1d542;
$custom-light: #cce27f;
$custom-dark: #000000;

JSON

{
  "hex": "#b1d542",
  "rgb": {
    "r": 177,
    "g": 213,
    "b": 66
  },
  "hsl": {
    "h": 74.694,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.81987,
    "c": 0.1735,
    "h": 122.3
  },
  "luminance": 0.57329
}

Semantic roles & 50–950 ramp

primary

#B1D542

secondary

#483487

accent

#41E76A

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150B

muted

#83847E

Preview Lab

Preview with #B1D542

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

Preview Lab → · Contrast checker → · Palette generator →