#B1B535#B1B535

#B1B535 is a light, vivid yellow. Relative luminance 0.427; OKLCH L 74.7% C 0.146 H 111.2°. Best body text is #000000 at 9.53:1 contrast (WCAG AA passes).

Color values

HEX	#B1B535
RGB	rgb(177, 181, 53)
HSL	hsl(62, 55%, 46%)
HSV	hsv(62, 71%, 71%)
CMYK	cmyk(2.2%, 0%, 70.7%, 29%)
CIE-LAB	lab(71.32, -16.97, 61.10)
CIE-LCH	lch(71.32, 63.41, 105.52°)
OKLab	oklab(74.69% -0.0527 0.1357)
OKLCH	oklch(74.69% 0.146 111.2)
XYZ	xyz(35.2991, 42.6528, 9.7408)
Luminance	0.4265 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1B535 #3935B5

analogous

#B57935 #B1B535 #71B535

triadic

#B1B535 #35B1B5 #B535B1

tetradic

#B1B535 #35B579 #3935B5 #B53571

square

#B1B535 #35B579 #3935B5 #B53571

split-complementary

#B1B535 #3571B5 #7935B5

monochromatic

#545619 #838627 #B1B535 #CBCE59 #DADC88

Accessibility & contrast

On white

2.20

#B1B535 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.53

#B1B535 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1B535

9.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1B535	#FFFFFF	#000000	##000000
##B1B535	1.00	2.20	9.53	9.53
#FFFFFF	2.20	1.00	21.00	21.00
#000000	9.53	21.00	1.00	1.00
##000000	9.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AD1F

Deuteranopia (green-blind)

#C4B03F

Tritanopia (blue-blind)

#BDAA9C

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #b1b535;
/* rgb */ color: rgb(177, 181, 53);
/* oklch */ color: oklch(74.7% 0.146 111.2);

Tailwind

colors: {
  custom: {
    50: '#cccb75',
    500: '#b1b535',
    950: '#000000',
  },
}

SCSS

$custom: #b1b535;
$custom-light: #cccb75;
$custom-dark: #000000;

JSON

{
  "hex": "#b1b535",
  "rgb": {
    "r": 177,
    "g": 181,
    "b": 53
  },
  "hsl": {
    "h": 61.875,
    "s": 54.701,
    "l": 45.882
  },
  "oklch": {
    "l": 0.74692,
    "c": 0.14563,
    "h": 111.2
  },
  "luminance": 0.42652
}

Semantic roles & 50–950 ramp

primary

#B1B535

secondary

#8280C6

accent

#4ADE4E

background

#FCFCF7

surface

#F9F8ED

border

#D2D1C8

text

#141309

muted

#82827B

Preview Lab

Preview with #B1B535

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

Preview Lab → · Contrast checker → · Palette generator →