#B1B833#B1B833

#B1B833 is a light, vivid yellow. Relative luminance 0.439; OKLCH L 75.3% C 0.150 H 112.5°. Best body text is #000000 at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#B1B833
RGB	rgb(177, 184, 51)
HSL	hsl(63, 57%, 46%)
HSV	hsv(63, 72%, 72%)
CMYK	cmyk(3.8%, 0%, 72.3%, 27.8%)
CIE-LAB	lab(72.14, -18.58, 62.61)
CIE-LCH	lch(72.14, 65.31, 106.53°)
OKLab	oklab(75.35% -0.0574 0.1386)
OKLCH	oklch(75.35% 0.15 112.5)
XYZ	xyz(35.8706, 43.8679, 9.7091)
Luminance	0.4387 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1B833 #3A33B8

analogous

#B87C33 #B1B833 #6EB833

triadic

#B1B833 #33B1B8 #B833B1

tetradic

#B1B833 #33B87C #3A33B8 #B8336E

square

#B1B833 #33B87C #3A33B8 #B8336E

split-complementary

#B1B833 #336EB8 #7C33B8

monochromatic

#555818 #838826 #B1B833 #CAD158 #D9DE88

Accessibility & contrast

On white

2.15

#B1B833 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.77

#B1B833 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1B833

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1B833	#FFFFFF	#000000	##000000
##B1B833	1.00	2.15	9.77	9.77
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.77	21.00	1.00	1.00
##000000	9.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6AF1A

Deuteranopia (green-blind)

#C6B23E

Tritanopia (blue-blind)

#BDAD9E

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #b1b833;
/* rgb */ color: rgb(177, 184, 51);
/* oklch */ color: oklch(75.3% 0.150 112.5);

Tailwind

colors: {
  custom: {
    50: '#cccd74',
    500: '#b1b833',
    950: '#000000',
  },
}

SCSS

$custom: #b1b833;
$custom-light: #cccd74;
$custom-dark: #000000;

JSON

{
  "hex": "#b1b833",
  "rgb": {
    "r": 177,
    "g": 184,
    "b": 51
  },
  "hsl": {
    "h": 63.158,
    "s": 56.596,
    "l": 46.078
  },
  "oklch": {
    "l": 0.75345,
    "c": 0.15001,
    "h": 112.5
  },
  "luminance": 0.43867
}

Semantic roles & 50–950 ramp

primary

#B1B833

secondary

#837FC8

accent

#48E050

background

#FCFCF7

surface

#F9F8ED

border

#D2D1C8

text

#141309

muted

#82827B

Preview Lab

Preview with #B1B833

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

Preview Lab → · Contrast checker → · Palette generator →