#B1B133#B1B133

#B1B133 is a light, vivid yellow. Relative luminance 0.410; OKLCH L 73.8% C 0.143 H 109.4°. Best body text is #000000 at 9.21:1 contrast (WCAG AA passes).

Color values

HEX	#B1B133
RGB	rgb(177, 177, 51)
HSL	hsl(60, 55%, 45%)
HSV	hsv(60, 71%, 69%)
CMYK	cmyk(0%, 0%, 71.2%, 30.6%)
CIE-LAB	lab(70.20, -15.04, 60.74)
CIE-LCH	lch(70.20, 62.57, 103.91°)
OKLab	oklab(73.79% -0.0475 0.1346)
OKLCH	oklch(73.79% 0.143 109.4)
XYZ	xyz(34.4524, 41.0314, 9.2364)
Luminance	0.4103 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1B133 #3333B1

analogous

#B17233 #B1B133 #72B133

triadic

#B1B133 #33B1B1 #B133B1

tetradic

#B1B133 #33B172 #3333B1 #B13372

square

#B1B133 #33B172 #3333B1 #B13372

split-complementary

#B1B133 #3372B1 #7233B1

monochromatic

#525218 #818125 #B1B133 #CECE54 #DBDB83

Accessibility & contrast

On white

2.28

#B1B133 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.21

#B1B133 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1B133

9.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1B133	#FFFFFF	#000000	##000000
##B1B133	1.00	2.28	9.21	9.21
#FFFFFF	2.28	1.00	21.00	21.00
#000000	9.21	21.00	1.00	1.00
##000000	9.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFA91D

Deuteranopia (green-blind)

#C1AD3C

Tritanopia (blue-blind)

#BEA698

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #b1b133;
/* rgb */ color: rgb(177, 177, 51);
/* oklch */ color: oklch(73.8% 0.143 109.4);

Tailwind

colors: {
  custom: {
    50: '#ccc873',
    500: '#b1b133',
    950: '#000000',
  },
}

SCSS

$custom: #b1b133;
$custom-light: #ccc873;
$custom-dark: #000000;

JSON

{
  "hex": "#b1b133",
  "rgb": {
    "r": 177,
    "g": 177,
    "b": 51
  },
  "hsl": {
    "h": 60,
    "s": 55.263,
    "l": 44.706
  },
  "oklch": {
    "l": 0.73792,
    "c": 0.14277,
    "h": 109.4
  },
  "luminance": 0.4103
}

Semantic roles & 50–950 ramp

primary

#B1B133

secondary

#7B7BC5

accent

#49DF49

background

#FCFCF7

surface

#F9F8ED

border

#D2D1C8

text

#141309

muted

#82827B

Preview Lab

Preview with #B1B133

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

Preview Lab → · Contrast checker → · Palette generator →