#B1D73E#B1D73E

#B1D73E is a very light, vivid yellow-green. Relative luminance 0.583; OKLCH L 82.4% C 0.178 H 122.6°. Best body text is #000000 at 12.66:1 contrast (WCAG AA passes).

Color values

HEX	#B1D73E
RGB	rgb(177, 215, 62)
HSL	hsl(75, 66%, 54%)
HSV	hsv(75, 71%, 84%)
CMYK	cmyk(17.7%, 0%, 71.2%, 15.7%)
CIE-LAB	lab(80.90, -32.95, 67.28)
CIE-LCH	lch(80.90, 74.91, 116.09°)
OKLab	oklab(82.41% -0.0962 0.1502)
OKLCH	oklch(82.41% 0.178 122.6)
XYZ	xyz(43.3020, 58.2956, 13.5274)
Luminance	0.5830 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1D73E #643ED7

analogous

#D7B13E #B1D73E #65D73E

triadic

#B1D73E #3EB1D7 #D73EB1

tetradic

#B1D73E #3ED7B1 #643ED7 #D73E65

square

#B1D73E #3ED7B1 #643ED7 #D73E65

split-complementary

#B1D73E #3E65D7 #B13ED7

monochromatic

#67801B #90B325 #B1D73E #C5E271 #DAECA3

Accessibility & contrast

On white

1.66

#B1D73E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.66

#B1D73E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D73E

12.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1D73E	#FFFFFF	#000000	##000000
##B1D73E	1.00	1.66	12.66	12.66
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.66	21.00	1.00	1.00
##000000	12.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4CA22

Deuteranopia (green-blind)

#DFC94B

Tritanopia (blue-blind)

#BACCB9

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #b1d73e;
/* rgb */ color: rgb(177, 215, 62);
/* oklch */ color: oklch(82.4% 0.178 122.6);

Tailwind

colors: {
  custom: {
    50: '#cce37d',
    500: '#b1d73e',
    950: '#000000',
  },
}

SCSS

$custom: #b1d73e;
$custom-light: #cce37d;
$custom-dark: #000000;

JSON

{
  "hex": "#b1d73e",
  "rgb": {
    "r": 177,
    "g": 215,
    "b": 62
  },
  "hsl": {
    "h": 74.902,
    "s": 65.665,
    "l": 54.314
  },
  "oklch": {
    "l": 0.82413,
    "c": 0.17839,
    "h": 122.6
  },
  "luminance": 0.58296
}

Semantic roles & 50–950 ramp

primary

#B1D73E

secondary

#473287

accent

#3FE969

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B1D73E

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

Preview Lab → · Contrast checker → · Palette generator →