#B1DA3A#B1DA3A

#B1DA3A is a very light, vivid yellow-green. Relative luminance 0.598; OKLCH L 83.1% C 0.184 H 123.2°. Best body text is #000000 at 12.96:1 contrast (WCAG AA passes).

Color values

HEX	#B1DA3A
RGB	rgb(177, 218, 58)
HSL	hsl(75, 68%, 54%)
HSV	hsv(75, 73%, 85%)
CMYK	cmyk(18.8%, 0%, 73.4%, 14.5%)
CIE-LAB	lab(81.73, -34.54, 69.44)
CIE-LCH	lch(81.73, 77.56, 116.45°)
OKLab	oklab(83.07% -0.1009 0.1541)
OKLCH	oklch(83.07% 0.184 123.2)
XYZ	xyz(43.9671, 59.7952, 13.2275)
Luminance	0.5979 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1DA3A #633ADA

analogous

#DAB33A #B1DA3A #61DA3A

triadic

#B1DA3A #3AB1DA #DA3AB1

tetradic

#B1DA3A #3ADAB3 #633ADA #DA3A61

square

#B1DA3A #3ADAB3 #633ADA #DA3A61

split-complementary

#B1DA3A #3A61DA #B33ADA

monochromatic

#668118 #8FB522 #B1DA3A #C5E46E #DAEDA1

Accessibility & contrast

On white

1.62

#B1DA3A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.96

#B1DA3A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1DA3A

12.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1DA3A	#FFFFFF	#000000	##000000
##B1DA3A	1.00	1.62	12.96	12.96
#FFFFFF	1.62	1.00	21.00	21.00
#000000	12.96	21.00	1.00	1.00
##000000	12.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7CC18

Deuteranopia (green-blind)

#E1CB49

Tritanopia (blue-blind)

#BACFBB

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #b1da3a;
/* rgb */ color: rgb(177, 218, 58);
/* oklch */ color: oklch(83.1% 0.184 123.2);

Tailwind

colors: {
  custom: {
    50: '#cce57b',
    500: '#b1da3a',
    950: '#000000',
  },
}

SCSS

$custom: #b1da3a;
$custom-light: #cce57b;
$custom-dark: #000000;

JSON

{
  "hex": "#b1da3a",
  "rgb": {
    "r": 177,
    "g": 218,
    "b": 58
  },
  "hsl": {
    "h": 75.375,
    "s": 68.376,
    "l": 54.118
  },
  "oklch": {
    "l": 0.83072,
    "c": 0.18423,
    "h": 123.2
  },
  "luminance": 0.59795
}

Semantic roles & 50–950 ramp

primary

#B1DA3A

secondary

#473088

accent

#3DEB69

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B1DA3A

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

Preview Lab → · Contrast checker → · Palette generator →