#B1D040#B1D040

#B1D040 is a light, vivid yellow-green. Relative luminance 0.548; OKLCH L 80.8% C 0.169 H 120.9°. Best body text is #000000 at 11.97:1 contrast (WCAG AA passes).

Color values

HEX	#B1D040
RGB	rgb(177, 208, 64)
HSL	hsl(73, 61%, 53%)
HSV	hsv(73, 69%, 82%)
CMYK	cmyk(14.9%, 0%, 69.2%, 18.4%)
CIE-LAB	lab(78.94, -29.57, 64.61)
CIE-LCH	lch(78.94, 71.05, 114.59°)
OKLab	oklab(80.84% -0.0867 0.1449)
OKLCH	oklch(80.84% 0.169 120.9)
XYZ	xyz(41.6134, 54.8291, 13.2403)
Luminance	0.5483 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1D040 #5F40D0

analogous

#D0A740 #B1D040 #69D040

triadic

#B1D040 #40B1D0 #D040B1

tetradic

#B1D040 #40D0A7 #5F40D0 #D04069

square

#B1D040 #40D0A7 #5F40D0 #D04069

split-complementary

#B1D040 #4069D0 #A740D0

monochromatic

#65781E #8EA92A #B1D040 #C5DC71 #D9E8A2

Accessibility & contrast

On white

1.76

#B1D040 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.97

#B1D040 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D040

11.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1D040	#FFFFFF	#000000	##000000
##B1D040	1.00	1.76	11.97	11.97
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.97	21.00	1.00	1.00
##000000	11.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC429

Deuteranopia (green-blind)

#D9C44C

Tritanopia (blue-blind)

#BBC5B4

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #b1d040;
/* rgb */ color: rgb(177, 208, 64);
/* oklch */ color: oklch(80.8% 0.169 120.9);

Tailwind

colors: {
  custom: {
    50: '#ccde7d',
    500: '#b1d040',
    950: '#000000',
  },
}

SCSS

$custom: #b1d040;
$custom-light: #ccde7d;
$custom-dark: #000000;

JSON

{
  "hex": "#b1d040",
  "rgb": {
    "r": 177,
    "g": 208,
    "b": 64
  },
  "hsl": {
    "h": 72.917,
    "s": 60.504,
    "l": 53.333
  },
  "oklch": {
    "l": 0.80836,
    "c": 0.16888,
    "h": 120.9
  },
  "luminance": 0.54829
}

Semantic roles & 50–950 ramp

primary

#B1D040

secondary

#443480

accent

#44E466

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B1D040

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

Preview Lab → · Contrast checker → · Palette generator →