#B1DA2F#B1DA2F

#B1DA2F is a very light, vivid yellow-green. Relative luminance 0.597; OKLCH L 83.0% C 0.190 H 122.9°. Best body text is #000000 at 12.94:1 contrast (WCAG AA passes).

Color values

HEX	#B1DA2F
RGB	rgb(177, 218, 47)
HSL	hsl(74, 70%, 52%)
HSV	hsv(74, 78%, 85%)
CMYK	cmyk(18.8%, 0%, 78.4%, 14.5%)
CIE-LAB	lab(81.67, -35.04, 72.76)
CIE-LCH	lch(81.67, 80.76, 115.72°)
OKLab	oklab(83.01% -0.1031 0.1594)
OKLCH	oklch(83.01% 0.19 122.9)
XYZ	xyz(43.7166, 59.6949, 11.9079)
Luminance	0.5969 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1DA2F #582FDA

analogous

#DAAE2F #B1DA2F #5CDA2F

triadic

#B1DA2F #2FB1DA #DA2FB1

tetradic

#B1DA2F #2FDAAE #582FDA #DA2F5C

square

#B1DA2F #2FDAAE #582FDA #DA2F5C

split-complementary

#B1DA2F #2F5CDA #AE2FDA

monochromatic

#617916 #8BAD1F #B1DA2F #C4E363 #D8EC97

Accessibility & contrast

On white

1.62

#B1DA2F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.94

#B1DA2F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1DA2F

12.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1DA2F	#FFFFFF	#000000	##000000
##B1DA2F	1.00	1.62	12.94	12.94
#FFFFFF	1.62	1.00	21.00	21.00
#000000	12.94	21.00	1.00	1.00
##000000	12.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7CC00

Deuteranopia (green-blind)

#E2CB41

Tritanopia (blue-blind)

#BACFBB

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #b1da2f;
/* rgb */ color: rgb(177, 218, 47);
/* oklch */ color: oklch(83.0% 0.190 122.9);

Tailwind

colors: {
  custom: {
    50: '#cde576',
    500: '#b1da2f',
    950: '#000000',
  },
}

SCSS

$custom: #b1da2f;
$custom-light: #cde576;
$custom-dark: #000000;

JSON

{
  "hex": "#b1da2f",
  "rgb": {
    "r": 177,
    "g": 218,
    "b": 47
  },
  "hsl": {
    "h": 74.386,
    "s": 69.796,
    "l": 51.961
  },
  "oklch": {
    "l": 0.8301,
    "c": 0.18981,
    "h": 122.9
  },
  "luminance": 0.59695
}

Semantic roles & 50–950 ramp

primary

#B1DA2F

secondary

#412C81

accent

#3BED66

background

#FEFEFB

surface

#FBFCF1

border

#D4D5CB

text

#14150A

muted

#83847D

Preview Lab

Preview with #B1DA2F

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

Preview Lab → · Contrast checker → · Palette generator →