#B1D259#B1D259

#B1D259 is a light, vivid yellow-green. Relative luminance 0.562; OKLCH L 81.5% C 0.152 H 122.6°. Best body text is #000000 at 12.23:1 contrast (WCAG AA passes).

Color values

HEX	#B1D259
RGB	rgb(177, 210, 89)
HSL	hsl(76, 57%, 59%)
HSV	hsv(76, 58%, 82%)
CMYK	cmyk(15.7%, 0%, 57.6%, 17.6%)
CIE-LAB	lab(79.71, -28.74, 55.19)
CIE-LCH	lch(79.71, 62.23, 117.51°)
OKLab	oklab(81.52% -0.0821 0.1283)
OKLCH	oklch(81.52% 0.152 122.6)
XYZ	xyz(42.9815, 56.1614, 18.0251)
Luminance	0.5616 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1D259 #7A59D2

analogous

#D2B659 #B1D259 #74D259

triadic

#B1D259 #59B1D2 #D259B1

tetradic

#B1D259 #59D2B6 #7A59D2 #D25974

square

#B1D259 #59D2B6 #7A59D2 #D25974

split-complementary

#B1D259 #5974D2 #B659D2

monochromatic

#6F8B26 #96BB33 #B1D259 #C8DF89 #DEECB9

Accessibility & contrast

On white

1.72

#B1D259 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.23

#B1D259 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D259

12.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1D259	#FFFFFF	#000000	##000000
##B1D259	1.00	1.72	12.23	12.23
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.23	21.00	1.00	1.00
##000000	12.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC64C

Deuteranopia (green-blind)

#D9C561

Tritanopia (blue-blind)

#B9C8B8

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #b1d259;
/* rgb */ color: rgb(177, 210, 89);
/* oklch */ color: oklch(81.5% 0.152 122.6);

Tailwind

colors: {
  custom: {
    50: '#cbdf8c',
    500: '#b1d259',
    950: '#000000',
  },
}

SCSS

$custom: #b1d259;
$custom-light: #cbdf8c;
$custom-dark: #000000;

JSON

{
  "hex": "#b1d259",
  "rgb": {
    "r": 177,
    "g": 210,
    "b": 89
  },
  "hsl": {
    "h": 76.364,
    "s": 57.346,
    "l": 58.627
  },
  "oklch": {
    "l": 0.81515,
    "c": 0.15233,
    "h": 122.6
  },
  "luminance": 0.56162
}

Semantic roles & 50–950 ramp

primary

#B1D259

secondary

#553E91

accent

#47E171

background

#FEFEFC

surface

#FBFCF4

border

#D4D5CE

text

#14150C

muted

#83847F

Preview Lab

Preview with #B1D259

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

Preview Lab → · Contrast checker → · Palette generator →