#B1C13B#B1C13B

#B1C13B is a light, vivid yellow. Relative luminance 0.478; OKLCH L 77.4% C 0.155 H 116.0°. Best body text is #000000 at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#B1C13B
RGB	rgb(177, 193, 59)
HSL	hsl(67, 53%, 49%)
HSV	hsv(67, 69%, 76%)
CMYK	cmyk(8.3%, 0%, 69.4%, 24.3%)
CIE-LAB	lab(74.70, -22.64, 62.22)
CIE-LCH	lch(74.70, 66.21, 109.99°)
OKLab	oklab(77.41% -0.068 0.1391)
OKLCH	oklch(77.41% 0.155 116)
XYZ	xyz(37.9918, 47.8034, 11.3624)
Luminance	0.4780 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1C13B #4B3BC1

analogous

#C18E3B #B1C13B #6EC13B

triadic

#B1C13B #3BB1C1 #C13BB1

tetradic

#B1C13B #3BC18E #4B3BC1 #C13B6E

square

#B1C13B #3BC18E #4B3BC1 #C13B6E

split-complementary

#B1C13B #3B6EC1 #8E3BC1

monochromatic

#5B631E #86922D #B1C13B #C4D168 #D7DF97

Accessibility & contrast

On white

1.99

#B1C13B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.56

#B1C13B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1C13B

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1C13B	#FFFFFF	#000000	##000000
##B1C13B	1.00	1.99	10.56	10.56
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.56	21.00	1.00	1.00
##000000	10.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEB725

Deuteranopia (green-blind)

#CDB945

Tritanopia (blue-blind)

#BCB6A7

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #b1c13b;
/* rgb */ color: rgb(177, 193, 59);
/* oklch */ color: oklch(77.4% 0.155 116.0);

Tailwind

colors: {
  custom: {
    50: '#ccd379',
    500: '#b1c13b',
    950: '#000000',
  },
}

SCSS

$custom: #b1c13b;
$custom-light: #ccd379;
$custom-dark: #000000;

JSON

{
  "hex": "#b1c13b",
  "rgb": {
    "r": 177,
    "g": 193,
    "b": 59
  },
  "hsl": {
    "h": 67.164,
    "s": 53.175,
    "l": 49.412
  },
  "oklch": {
    "l": 0.77414,
    "c": 0.15482,
    "h": 116
  },
  "luminance": 0.47803
}

Semantic roles & 50–950 ramp

primary

#B1C13B

secondary

#948DCB

accent

#4BDD5D

background

#FCFCF7

surface

#F9F9EE

border

#D2D2C9

text

#14140A

muted

#82827C

Preview Lab

Preview with #B1C13B

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

Preview Lab → · Contrast checker → · Palette generator →