#B1D441#B1D441

#B1D441 is a light, vivid yellow-green. Relative luminance 0.568; OKLCH L 81.8% C 0.173 H 122.0°. Best body text is #000000 at 12.36:1 contrast (WCAG AA passes).

Color values

HEX	#B1D441
RGB	rgb(177, 212, 65)
HSL	hsl(74, 63%, 54%)
HSV	hsv(74, 69%, 83%)
CMYK	cmyk(16.5%, 0%, 69.3%, 16.9%)
CIE-LAB	lab(80.08, -31.39, 65.38)
CIE-LCH	lch(80.08, 72.52, 115.65°)
OKLab	oklab(81.75% -0.0917 0.1467)
OKLCH	oklch(81.75% 0.173 122)
XYZ	xyz(42.6297, 56.8157, 13.7207)
Luminance	0.5682 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1D441 #6441D4

analogous

#D4AE41 #B1D441 #68D441

triadic

#B1D441 #41B1D4 #D441B1

tetradic

#B1D441 #41D4AE #6441D4 #D44168

square

#B1D441 #41D4AE #6441D4 #D44168

split-complementary

#B1D441 #4168D4 #AE41D4

monochromatic

#677E1D #90B028 #B1D441 #C5DF73 #DAEBA5

Accessibility & contrast

On white

1.70

#B1D441 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.36

#B1D441 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D441

12.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1D441	#FFFFFF	#000000	##000000
##B1D441	1.00	1.70	12.36	12.36
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.36	21.00	1.00	1.00
##000000	12.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C729

Deuteranopia (green-blind)

#DCC74D

Tritanopia (blue-blind)

#BAC9B7

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #b1d441;
/* rgb */ color: rgb(177, 212, 65);
/* oklch */ color: oklch(81.8% 0.173 122.0);

Tailwind

colors: {
  custom: {
    50: '#cce17e',
    500: '#b1d441',
    950: '#000000',
  },
}

SCSS

$custom: #b1d441;
$custom-light: #cce17e;
$custom-dark: #000000;

JSON

{
  "hex": "#b1d441",
  "rgb": {
    "r": 177,
    "g": 212,
    "b": 65
  },
  "hsl": {
    "h": 74.286,
    "s": 63.09,
    "l": 54.314
  },
  "oklch": {
    "l": 0.81752,
    "c": 0.17296,
    "h": 122
  },
  "luminance": 0.56816
}

Semantic roles & 50–950 ramp

primary

#B1D441

secondary

#473485

accent

#42E669

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150B

muted

#83847E

Preview Lab

Preview with #B1D441

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

Preview Lab → · Contrast checker → · Palette generator →