#B1D159#B1D159

#B1D159 is a light, vivid yellow-green. Relative luminance 0.557; OKLCH L 81.3% C 0.151 H 122.3°. Best body text is #000000 at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#B1D159
RGB	rgb(177, 209, 89)
HSL	hsl(76, 57%, 58%)
HSV	hsv(76, 57%, 82%)
CMYK	cmyk(15.3%, 0%, 57.4%, 18%)
CIE-LAB	lab(79.43, -28.27, 54.88)
CIE-LCH	lch(79.43, 61.73, 117.25°)
OKLab	oklab(81.29% -0.0808 0.1276)
OKLCH	oklch(81.29% 0.151 122.3)
XYZ	xyz(42.7354, 55.6692, 17.9431)
Luminance	0.5567 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1D159 #7959D1

analogous

#D1B559 #B1D159 #75D159

triadic

#B1D159 #59B1D1 #D159B1

tetradic

#B1D159 #59D1B5 #7959D1 #D15975

square

#B1D159 #59D1B5 #7959D1 #D15975

split-complementary

#B1D159 #5975D1 #B559D1

monochromatic

#6F8926 #96B933 #B1D159 #C8DE89 #DEECB9

Accessibility & contrast

On white

1.73

#B1D159 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.13

#B1D159 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D159

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1D159	#FFFFFF	#000000	##000000
##B1D159	1.00	1.73	12.13	12.13
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.13	21.00	1.00	1.00
##000000	12.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCC64C

Deuteranopia (green-blind)

#D8C561

Tritanopia (blue-blind)

#B9C7B7

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #b1d159;
/* rgb */ color: rgb(177, 209, 89);
/* oklch */ color: oklch(81.3% 0.151 122.3);

Tailwind

colors: {
  custom: {
    50: '#cbdf8c',
    500: '#b1d159',
    950: '#000000',
  },
}

SCSS

$custom: #b1d159;
$custom-light: #cbdf8c;
$custom-dark: #000000;

JSON

{
  "hex": "#b1d159",
  "rgb": {
    "r": 177,
    "g": 209,
    "b": 89
  },
  "hsl": {
    "h": 76,
    "s": 56.604,
    "l": 58.431
  },
  "oklch": {
    "l": 0.81289,
    "c": 0.15105,
    "h": 122.3
  },
  "luminance": 0.55669
}

Semantic roles & 50–950 ramp

primary

#B1D159

secondary

#543E90

accent

#48E070

background

#FEFEFC

surface

#FBFCF4

border

#D4D5CE

text

#14150C

muted

#83847F

Preview Lab

Preview with #B1D159

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

Preview Lab → · Contrast checker → · Palette generator →