#B1DA59#B1DA59

#B1DA59 is a very light, vivid yellow-green. Relative luminance 0.602; OKLCH L 83.3% C 0.163 H 124.7°. Best body text is #000000 at 13.04:1 contrast (WCAG AA passes).

Color values

HEX	#B1DA59
RGB	rgb(177, 218, 89)
HSL	hsl(79, 64%, 60%)
HSV	hsv(79, 59%, 85%)
CMYK	cmyk(18.8%, 0%, 59.2%, 14.5%)
CIE-LAB	lab(81.95, -32.49, 57.71)
CIE-LCH	lch(81.95, 66.23, 119.38°)
OKLab	oklab(83.33% -0.0925 0.1337)
OKLCH	oklch(83.33% 0.163 124.7)
XYZ	xyz(45.0062, 60.2108, 18.7000)
Luminance	0.6021 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1DA59 #8259DA

analogous

#DAC359 #B1DA59 #70DA59

triadic

#B1DA59 #59B1DA #DA59B1

tetradic

#B1DA59 #59DAC3 #8259DA #DA5970

square

#B1DA59 #59DAC3 #8259DA #DA5970

split-complementary

#B1DA59 #5970DA #C359DA

monochromatic

#729722 #97C92D #B1DA59 #C9E58B #E0F0BD

Accessibility & contrast

On white

1.61

#B1DA59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.04

#B1DA59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1DA59

13.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1DA59	#FFFFFF	#000000	##000000
##B1DA59	1.00	1.61	13.04	13.04
#FFFFFF	1.61	1.00	21.00	21.00
#000000	13.04	21.00	1.00	1.00
##000000	13.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5CD4B

Deuteranopia (green-blind)

#E0CB62

Tritanopia (blue-blind)

#B8D0BE

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #b1da59;
/* rgb */ color: rgb(177, 218, 89);
/* oklch */ color: oklch(83.3% 0.163 124.7);

Tailwind

colors: {
  custom: {
    50: '#cbe58c',
    500: '#b1da59',
    950: '#000000',
  },
}

SCSS

$custom: #b1da59;
$custom-light: #cbe58c;
$custom-dark: #000000;

JSON

{
  "hex": "#b1da59",
  "rgb": {
    "r": 177,
    "g": 218,
    "b": 89
  },
  "hsl": {
    "h": 79.07,
    "s": 63.547,
    "l": 60.196
  },
  "oklch": {
    "l": 0.83326,
    "c": 0.1626,
    "h": 124.7
  },
  "luminance": 0.60211
}

Semantic roles & 50–950 ramp

primary

#B1DA59

secondary

#5A3C9B

accent

#1ACB52

background

#FEFEFC

surface

#FBFCF4

border

#D4D5CE

text

#14150C

muted

#83847F

Preview Lab

Preview with #B1DA59

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

Preview Lab → · Contrast checker → · Palette generator →