#B1D53D#B1D53D

#B1D53D is a light, vivid yellow-green. Relative luminance 0.573; OKLCH L 82.0% C 0.177 H 122.1°. Best body text is #000000 at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#B1D53D
RGB	rgb(177, 213, 61)
HSL	hsl(74, 64%, 54%)
HSV	hsv(74, 71%, 84%)
CMYK	cmyk(16.9%, 0%, 71.4%, 16.5%)
CIE-LAB	lab(80.33, -32.08, 67.07)
CIE-LCH	lch(80.33, 74.34, 115.56°)
OKLab	oklab(81.95% -0.0939 0.1496)
OKLCH	oklch(81.95% 0.177 122.1)
XYZ	xyz(42.7686, 57.2724, 13.2155)
Luminance	0.5727 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1D53D #613DD5

analogous

#D5AD3D #B1D53D #65D53D

triadic

#B1D53D #3DB1D5 #D53DB1

tetradic

#B1D53D #3DD5AD #613DD5 #D53D65

square

#B1D53D #3DD5AD #613DD5 #D53D65

split-complementary

#B1D53D #3D65D5 #AD3DD5

monochromatic

#657D1B #8EAF26 #B1D53D #C5E06F #D9EBA2

Accessibility & contrast

On white

1.69

#B1D53D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.45

#B1D53D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D53D

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1D53D	#FFFFFF	#000000	##000000
##B1D53D	1.00	1.69	12.45	12.45
#FFFFFF	1.69	1.00	21.00	21.00
#000000	12.45	21.00	1.00	1.00
##000000	12.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2C821

Deuteranopia (green-blind)

#DDC74A

Tritanopia (blue-blind)

#BACAB7

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #b1d53d;
/* rgb */ color: rgb(177, 213, 61);
/* oklch */ color: oklch(82.0% 0.177 122.1);

Tailwind

colors: {
  custom: {
    50: '#cce27c',
    500: '#b1d53d',
    950: '#000000',
  },
}

SCSS

$custom: #b1d53d;
$custom-light: #cce27c;
$custom-dark: #000000;

JSON

{
  "hex": "#b1d53d",
  "rgb": {
    "r": 177,
    "g": 213,
    "b": 61
  },
  "hsl": {
    "h": 74.211,
    "s": 64.407,
    "l": 53.725
  },
  "oklch": {
    "l": 0.81951,
    "c": 0.17664,
    "h": 122.1
  },
  "luminance": 0.57273
}

Semantic roles & 50–950 ramp

primary

#B1D53D

secondary

#453284

accent

#40E768

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B1D53D

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

Preview Lab → · Contrast checker → · Palette generator →