#B1D841#B1D841

#B1D841 is a very light, vivid yellow-green. Relative luminance 0.588; OKLCH L 82.7% C 0.178 H 123.0°. Best body text is #000000 at 12.77:1 contrast (WCAG AA passes).

Color values

HEX	#B1D841
RGB	rgb(177, 216, 65)
HSL	hsl(75, 66%, 55%)
HSV	hsv(75, 70%, 85%)
CMYK	cmyk(18.1%, 0%, 69.9%, 15.3%)
CIE-LAB	lab(81.20, -33.24, 66.51)
CIE-LCH	lch(81.20, 74.35, 116.56°)
OKLab	oklab(82.66% -0.0968 0.149)
OKLCH	oklch(82.66% 0.178 123)
XYZ	xyz(43.6420, 58.8403, 14.0581)
Luminance	0.5884 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1D841 #6841D8

analogous

#D8B441 #B1D841 #65D841

triadic

#B1D841 #41B1D8 #D841B1

tetradic

#B1D841 #41D8B4 #6841D8 #D84165

square

#B1D841 #41D8B4 #6841D8 #D84165

split-complementary

#B1D841 #4165D8 #B441D8

monochromatic

#69841B #91B625 #B1D841 #C6E274 #DBEDA7

Accessibility & contrast

On white

1.64

#B1D841 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.77

#B1D841 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D841

12.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1D841	#FFFFFF	#000000	##000000
##B1D841	1.00	1.64	12.77	12.77
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.77	21.00	1.00	1.00
##000000	12.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4CB28

Deuteranopia (green-blind)

#DFCA4E

Tritanopia (blue-blind)

#BACDBA

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #b1d841;
/* rgb */ color: rgb(177, 216, 65);
/* oklch */ color: oklch(82.7% 0.178 123.0);

Tailwind

colors: {
  custom: {
    50: '#cce47f',
    500: '#b1d841',
    950: '#000000',
  },
}

SCSS

$custom: #b1d841;
$custom-light: #cce47f;
$custom-dark: #000000;

JSON

{
  "hex": "#b1d841",
  "rgb": {
    "r": 177,
    "g": 216,
    "b": 65
  },
  "hsl": {
    "h": 75.497,
    "s": 65.939,
    "l": 55.098
  },
  "oklch": {
    "l": 0.82662,
    "c": 0.17771,
    "h": 123
  },
  "luminance": 0.5884
}

Semantic roles & 50–950 ramp

primary

#B1D841

secondary

#49338A

accent

#3FE96B

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150B

muted

#83847E

Preview Lab

Preview with #B1D841

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

Preview Lab → · Contrast checker → · Palette generator →