#B1D544#B1D544

#B1D544 is a very light, vivid yellow-green. Relative luminance 0.574; OKLCH L 82.0% C 0.172 H 122.4°. Best body text is #000000 at 12.47:1 contrast (WCAG AA passes).

Color values

HEX	#B1D544
RGB	rgb(177, 213, 68)
HSL	hsl(75, 63%, 55%)
HSV	hsv(75, 68%, 84%)
CMYK	cmyk(16.9%, 0%, 68.1%, 16.5%)
CIE-LAB	lab(80.38, -31.67, 64.57)
CIE-LCH	lch(80.38, 71.92, 116.13°)
OKLab	oklab(82% -0.0922 0.1454)
OKLCH	oklch(82% 0.172 122.4)
XYZ	xyz(42.9696, 57.3528, 14.2742)
Luminance	0.5735 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1D544 #6844D5

analogous

#D5B144 #B1D544 #68D544

triadic

#B1D544 #44B1D5 #D544B1

tetradic

#B1D544 #44D5B1 #6844D5 #D54468

square

#B1D544 #44D5B1 #6844D5 #D54468

split-complementary

#B1D544 #4468D5 #B144D5

monochromatic

#69821D #91B328 #B1D544 #C6E076 #DBEBA8

Accessibility & contrast

On white

1.68

#B1D544 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.47

#B1D544 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D544

12.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1D544	#FFFFFF	#000000	##000000
##B1D544	1.00	1.68	12.47	12.47
#FFFFFF	1.68	1.00	21.00	21.00
#000000	12.47	21.00	1.00	1.00
##000000	12.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1C82E

Deuteranopia (green-blind)

#DDC750

Tritanopia (blue-blind)

#BACAB8

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #b1d544;
/* rgb */ color: rgb(177, 213, 68);
/* oklch */ color: oklch(82.0% 0.172 122.4);

Tailwind

colors: {
  custom: {
    50: '#cce280',
    500: '#b1d544',
    950: '#000000',
  },
}

SCSS

$custom: #b1d544;
$custom-light: #cce280;
$custom-dark: #000000;

JSON

{
  "hex": "#b1d544",
  "rgb": {
    "r": 177,
    "g": 213,
    "b": 68
  },
  "hsl": {
    "h": 74.897,
    "s": 63.319,
    "l": 55.098
  },
  "oklch": {
    "l": 0.82002,
    "c": 0.17218,
    "h": 122.4
  },
  "luminance": 0.57353
}

Semantic roles & 50–950 ramp

primary

#B1D544

secondary

#493589

accent

#41E66A

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150B

muted

#83847E

Preview Lab

Preview with #B1D544

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

Preview Lab → · Contrast checker → · Palette generator →