#B1D733#B1D733

#B1D733 is a very light, vivid yellow-green. Relative luminance 0.582; OKLCH L 82.3% C 0.184 H 122.3°. Best body text is #000000 at 12.64:1 contrast (WCAG AA passes).

Color values

HEX	#B1D733
RGB	rgb(177, 215, 51)
HSL	hsl(74, 67%, 52%)
HSV	hsv(74, 76%, 84%)
CMYK	cmyk(17.7%, 0%, 76.3%, 15.7%)
CIE-LAB	lab(80.84, -33.50, 70.83)
CIE-LCH	lch(80.84, 78.35, 115.31°)
OKLab	oklab(82.35% -0.0986 0.1559)
OKLCH	oklch(82.35% 0.184 122.3)
XYZ	xyz(43.0301, 58.1869, 12.0956)
Luminance	0.5819 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1D733 #5933D7

analogous

#D7AB33 #B1D733 #5FD733

triadic

#B1D733 #33B1D7 #D733B1

tetradic

#B1D733 #33D7AB #5933D7 #D7335F

square

#B1D733 #33D7AB #5933D7 #D7335F

split-complementary

#B1D733 #335FD7 #AB33D7

monochromatic

#627818 #8BAB22 #B1D733 #C5E166 #D8EB99

Accessibility & contrast

On white

1.66

#B1D733 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.64

#B1D733 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D733

12.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1D733	#FFFFFF	#000000	##000000
##B1D733	1.00	1.66	12.64	12.64
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.64	21.00	1.00	1.00
##000000	12.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4CA01

Deuteranopia (green-blind)

#DFC943

Tritanopia (blue-blind)

#BACCB8

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #b1d733;
/* rgb */ color: rgb(177, 215, 51);
/* oklch */ color: oklch(82.3% 0.184 122.3);

Tailwind

colors: {
  custom: {
    50: '#cce378',
    500: '#b1d733',
    950: '#000000',
  },
}

SCSS

$custom: #b1d733;
$custom-light: #cce378;
$custom-dark: #000000;

JSON

{
  "hex": "#b1d733",
  "rgb": {
    "r": 177,
    "g": 215,
    "b": 51
  },
  "hsl": {
    "h": 73.902,
    "s": 67.213,
    "l": 52.157
  },
  "oklch": {
    "l": 0.82345,
    "c": 0.18448,
    "h": 122.3
  },
  "luminance": 0.58187
}

Semantic roles & 50–950 ramp

primary

#B1D733

secondary

#412E80

accent

#3EEA66

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B1D733

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

Preview Lab → · Contrast checker → · Palette generator →