#B1D149#B1D149

#B1D149 is a light, vivid yellow-green. Relative luminance 0.554; OKLCH L 81.1% C 0.164 H 121.5°. Best body text is #000000 at 12.09:1 contrast (WCAG AA passes).

Color values

HEX	#B1D149
RGB	rgb(177, 209, 73)
HSL	hsl(74, 60%, 55%)
HSV	hsv(74, 65%, 82%)
CMYK	cmyk(15.3%, 0%, 65.1%, 18%)
CIE-LAB	lab(79.29, -29.48, 61.50)
CIE-LCH	lch(79.29, 68.20, 115.61°)
OKLab	oklab(81.14% -0.0856 0.1397)
OKLCH	oklch(81.14% 0.164 121.5)
XYZ	xyz(42.1351, 55.4291, 14.7812)
Luminance	0.5543 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1D149 #6949D1

analogous

#D1AD49 #B1D149 #6DD149

triadic

#B1D149 #49B1D1 #D149B1

tetradic

#B1D149 #49D1AD #6949D1 #D1496D

square

#B1D149 #49D1AD #6949D1 #D1496D

split-complementary

#B1D149 #496DD1 #AD49D1

monochromatic

#697F20 #91B02D #B1D149 #C6DD7A #DBEAAB

Accessibility & contrast

On white

1.74

#B1D149 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.09

#B1D149 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D149

12.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1D149	#FFFFFF	#000000	##000000
##B1D149	1.00	1.74	12.09	12.09
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.09	21.00	1.00	1.00
##000000	12.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC537

Deuteranopia (green-blind)

#D9C453

Tritanopia (blue-blind)

#BAC7B5

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #b1d149;
/* rgb */ color: rgb(177, 209, 73);
/* oklch */ color: oklch(81.1% 0.164 121.5);

Tailwind

colors: {
  custom: {
    50: '#cbdf82',
    500: '#b1d149',
    950: '#000000',
  },
}

SCSS

$custom: #b1d149;
$custom-light: #cbdf82;
$custom-dark: #000000;

JSON

{
  "hex": "#b1d149",
  "rgb": {
    "r": 177,
    "g": 209,
    "b": 73
  },
  "hsl": {
    "h": 74.118,
    "s": 59.649,
    "l": 55.294
  },
  "oklch": {
    "l": 0.81135,
    "c": 0.16387,
    "h": 121.5
  },
  "luminance": 0.55429
}

Semantic roles & 50–950 ramp

primary

#B1D149

secondary

#4A3787

accent

#45E36A

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150B

muted

#83847E

Preview Lab

Preview with #B1D149

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

Preview Lab → · Contrast checker → · Palette generator →