#B1D23D#B1D23D

#B1D23D is a light, vivid yellow-green. Relative luminance 0.558; OKLCH L 81.3% C 0.173 H 121.3°. Best body text is #000000 at 12.16:1 contrast (WCAG AA passes).

Color values

HEX	#B1D23D
RGB	rgb(177, 210, 61)
HSL	hsl(73, 62%, 53%)
HSV	hsv(73, 71%, 82%)
CMYK	cmyk(15.7%, 0%, 71%, 17.6%)
CIE-LAB	lab(79.49, -30.68, 66.24)
CIE-LCH	lch(79.49, 73.00, 114.85°)
OKLab	oklab(81.27% -0.09 0.1479)
OKLCH	oklch(81.27% 0.173 121.3)
XYZ	xyz(42.0210, 55.7772, 12.9663)
Luminance	0.5578 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1D23D #5E3DD2

analogous

#D2A93D #B1D23D #66D23D

triadic

#B1D23D #3DB1D2 #D23DB1

tetradic

#B1D23D #3DD2A9 #5E3DD2 #D23D66

square

#B1D23D #3DD2A9 #5E3DD2 #D23D66

split-complementary

#B1D23D #3D66D2 #A93DD2

monochromatic

#64791C #8DAA28 #B1D23D #C5DE6F #D9E9A0

Accessibility & contrast

On white

1.73

#B1D23D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.16

#B1D23D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D23D

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1D23D	#FFFFFF	#000000	##000000
##B1D23D	1.00	1.73	12.16	12.16
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.16	21.00	1.00	1.00
##000000	12.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFC622

Deuteranopia (green-blind)

#DBC54A

Tritanopia (blue-blind)

#BBC7B5

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #b1d23d;
/* rgb */ color: rgb(177, 210, 61);
/* oklch */ color: oklch(81.3% 0.173 121.3);

Tailwind

colors: {
  custom: {
    50: '#ccdf7c',
    500: '#b1d23d',
    950: '#000000',
  },
}

SCSS

$custom: #b1d23d;
$custom-light: #ccdf7c;
$custom-dark: #000000;

JSON

{
  "hex": "#b1d23d",
  "rgb": {
    "r": 177,
    "g": 210,
    "b": 61
  },
  "hsl": {
    "h": 73.289,
    "s": 62.343,
    "l": 53.137
  },
  "oklch": {
    "l": 0.81269,
    "c": 0.17313,
    "h": 121.3
  },
  "luminance": 0.55777
}

Semantic roles & 50–950 ramp

primary

#B1D23D

secondary

#443281

accent

#42E566

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B1D23D

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

Preview Lab → · Contrast checker → · Palette generator →