#B1D359#B1D359

#B1D359 is a light, vivid yellow-green. Relative luminance 0.567; OKLCH L 81.7% C 0.154 H 122.9°. Best body text is #000000 at 12.33:1 contrast (WCAG AA passes).

Color values

HEX	#B1D359
RGB	rgb(177, 211, 89)
HSL	hsl(77, 58%, 59%)
HSV	hsv(77, 58%, 83%)
CMYK	cmyk(16.1%, 0%, 57.8%, 17.3%)
CIE-LAB	lab(79.99, -29.22, 55.51)
CIE-LCH	lch(79.99, 62.73, 117.76°)
OKLab	oklab(81.74% -0.0834 0.129)
OKLCH	oklch(81.74% 0.154 122.9)
XYZ	xyz(43.2292, 56.6568, 18.1077)
Luminance	0.5666 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1D359 #7B59D3

analogous

#D3B859 #B1D359 #74D359

triadic

#B1D359 #59B1D3 #D359B1

tetradic

#B1D359 #59D3B8 #7B59D3 #D35974

square

#B1D359 #59D3B8 #7B59D3 #D35974

split-complementary

#B1D359 #5974D3 #B859D3

monochromatic

#708C25 #96BD32 #B1D359 #C8E089 #DEEDBA

Accessibility & contrast

On white

1.70

#B1D359 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.33

#B1D359 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D359

12.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1D359	#FFFFFF	#000000	##000000
##B1D359	1.00	1.70	12.33	12.33
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.33	21.00	1.00	1.00
##000000	12.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC74C

Deuteranopia (green-blind)

#DAC661

Tritanopia (blue-blind)

#B9C9B9

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #b1d359;
/* rgb */ color: rgb(177, 211, 89);
/* oklch */ color: oklch(81.7% 0.154 122.9);

Tailwind

colors: {
  custom: {
    50: '#cbe08c',
    500: '#b1d359',
    950: '#000000',
  },
}

SCSS

$custom: #b1d359;
$custom-light: #cbe08c;
$custom-dark: #000000;

JSON

{
  "hex": "#b1d359",
  "rgb": {
    "r": 177,
    "g": 211,
    "b": 89
  },
  "hsl": {
    "h": 76.721,
    "s": 58.095,
    "l": 58.824
  },
  "oklch": {
    "l": 0.81741,
    "c": 0.15362,
    "h": 122.9
  },
  "luminance": 0.56657
}

Semantic roles & 50–950 ramp

primary

#B1D359

secondary

#553E92

accent

#46E172

background

#FEFEFC

surface

#FBFCF4

border

#D4D5CE

text

#14150C

muted

#83847F

Preview Lab

Preview with #B1D359

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

Preview Lab → · Contrast checker → · Palette generator →