#B1D443#B1D443

#B1D443 is a light, vivid yellow-green. Relative luminance 0.568; OKLCH L 81.8% C 0.172 H 122.1°. Best body text is #000000 at 12.37:1 contrast (WCAG AA passes).

Color values

HEX	#B1D443
RGB	rgb(177, 212, 67)
HSL	hsl(74, 63%, 55%)
HSV	hsv(74, 68%, 83%)
CMYK	cmyk(16.5%, 0%, 68.4%, 16.9%)
CIE-LAB	lab(80.09, -31.27, 64.65)
CIE-LCH	lch(80.09, 71.82, 115.81°)
OKLab	oklab(81.77% -0.0911 0.1455)
OKLCH	oklch(81.77% 0.172 122.1)
XYZ	xyz(42.6886, 56.8392, 14.0312)
Luminance	0.5684 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1D443 #6643D4

analogous

#D4AF43 #B1D443 #68D443

triadic

#B1D443 #43B1D4 #D443B1

tetradic

#B1D443 #43D4AF #6643D4 #D44368

square

#B1D443 #43D4AF #6643D4 #D44368

split-complementary

#B1D443 #4368D4 #AF43D4

monochromatic

#687F1D #90B129 #B1D443 #C6DF75 #DAEBA7

Accessibility & contrast

On white

1.70

#B1D443 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.37

#B1D443 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D443

12.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1D443	#FFFFFF	#000000	##000000
##B1D443	1.00	1.70	12.37	12.37
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.37	21.00	1.00	1.00
##000000	12.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C72C

Deuteranopia (green-blind)

#DCC74F

Tritanopia (blue-blind)

#BAC9B7

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #b1d443;
/* rgb */ color: rgb(177, 212, 67);
/* oklch */ color: oklch(81.8% 0.172 122.1);

Tailwind

colors: {
  custom: {
    50: '#cce17f',
    500: '#b1d443',
    950: '#000000',
  },
}

SCSS

$custom: #b1d443;
$custom-light: #cce17f;
$custom-dark: #000000;

JSON

{
  "hex": "#b1d443",
  "rgb": {
    "r": 177,
    "g": 212,
    "b": 67
  },
  "hsl": {
    "h": 74.483,
    "s": 62.771,
    "l": 54.706
  },
  "oklch": {
    "l": 0.81767,
    "c": 0.17166,
    "h": 122.1
  },
  "luminance": 0.56839
}

Semantic roles & 50–950 ramp

primary

#B1D443

secondary

#483487

accent

#42E66A

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150B

muted

#83847E

Preview Lab

Preview with #B1D443

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

Preview Lab → · Contrast checker → · Palette generator →