#B1B537#B1B537

#B1B537 is a light, vivid yellow. Relative luminance 0.427; OKLCH L 74.7% C 0.144 H 111.2°. Best body text is #000000 at 9.53:1 contrast (WCAG AA passes).

Color values

HEX	#B1B537
RGB	rgb(177, 181, 55)
HSL	hsl(62, 53%, 46%)
HSV	hsv(62, 70%, 71%)
CMYK	cmyk(2.2%, 0%, 69.6%, 29%)
CIE-LAB	lab(71.33, -16.87, 60.37)
CIE-LCH	lch(71.33, 62.68, 105.61°)
OKLab	oklab(74.71% -0.0522 0.1346)
OKLCH	oklch(74.71% 0.144 111.2)
XYZ	xyz(35.3461, 42.6716, 9.9882)
Luminance	0.4267 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1B537 #3B37B5

analogous

#B57A37 #B1B537 #72B537

triadic

#B1B537 #37B1B5 #B537B1

tetradic

#B1B537 #37B57A #3B37B5 #B53772

square

#B1B537 #37B57A #3B37B5 #B53772

split-complementary

#B1B537 #3772B5 #7A37B5

monochromatic

#55571A #838629 #B1B537 #CACD5C #D9DC8B

Accessibility & contrast

On white

2.20

#B1B537 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.53

#B1B537 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1B537

9.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1B537	#FFFFFF	#000000	##000000
##B1B537	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)

#C3AD22

Deuteranopia (green-blind)

#C4B040

Tritanopia (blue-blind)

#BDAA9C

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #b1b537;
/* rgb */ color: rgb(177, 181, 55);
/* oklch */ color: oklch(74.7% 0.144 111.2);

Tailwind

colors: {
  custom: {
    50: '#cccb76',
    500: '#b1b537',
    950: '#000000',
  },
}

SCSS

$custom: #b1b537;
$custom-light: #cccb76;
$custom-dark: #000000;

JSON

{
  "hex": "#b1b537",
  "rgb": {
    "r": 177,
    "g": 181,
    "b": 55
  },
  "hsl": {
    "h": 61.905,
    "s": 53.39,
    "l": 46.275
  },
  "oklch": {
    "l": 0.74706,
    "c": 0.14434,
    "h": 111.2
  },
  "luminance": 0.42671
}

Semantic roles & 50–950 ramp

primary

#B1B537

secondary

#8482C6

accent

#4BDD50

background

#FCFCF7

surface

#F9F8ED

border

#D2D1C8

text

#141309

muted

#82827B

Preview Lab

Preview with #B1B537

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

Preview Lab → · Contrast checker → · Palette generator →