#B1B231#B1B231

#B1B231 is a light, vivid yellow. Relative luminance 0.414; OKLCH L 74.0% C 0.145 H 109.9°. Best body text is #000000 at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#B1B231
RGB	rgb(177, 178, 49)
HSL	hsl(60, 57%, 45%)
HSV	hsv(60, 72%, 70%)
CMYK	cmyk(0.6%, 0%, 72.5%, 30.2%)
CIE-LAB	lab(70.46, -15.65, 61.71)
CIE-LCH	lch(70.46, 63.66, 104.23°)
OKLab	oklab(74% -0.0494 0.1363)
OKLCH	oklch(74% 0.145 109.9)
XYZ	xyz(34.6075, 41.4107, 9.0752)
Luminance	0.4141 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1B231 #3231B2

analogous

#B27331 #B1B231 #71B231

triadic

#B1B231 #31B1B2 #B231B1

tetradic

#B1B231 #31B273 #3231B2 #B23171

square

#B1B231 #31B273 #3231B2 #B23171

split-complementary

#B1B231 #3171B2 #7331B2

monochromatic

#525217 #818224 #B1B231 #CECF51 #DCDC81

Accessibility & contrast

On white

2.26

#B1B231 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.28

#B1B231 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1B231

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1B231	#FFFFFF	#000000	##000000
##B1B231	1.00	2.26	9.28	9.28
#FFFFFF	2.26	1.00	21.00	21.00
#000000	9.28	21.00	1.00	1.00
##000000	9.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0AA18

Deuteranopia (green-blind)

#C2AE3B

Tritanopia (blue-blind)

#BEA799

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #b1b231;
/* rgb */ color: rgb(177, 178, 49);
/* oklch */ color: oklch(74.0% 0.145 109.9);

Tailwind

colors: {
  custom: {
    50: '#ccc872',
    500: '#b1b231',
    950: '#000000',
  },
}

SCSS

$custom: #b1b231;
$custom-light: #ccc872;
$custom-dark: #000000;

JSON

{
  "hex": "#b1b231",
  "rgb": {
    "r": 177,
    "g": 178,
    "b": 49
  },
  "hsl": {
    "h": 60.465,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.74,
    "c": 0.14501,
    "h": 109.9
  },
  "luminance": 0.4141
}

Semantic roles & 50–950 ramp

primary

#B1B231

secondary

#7A79C5

accent

#48E049

background

#FDFCF7

surface

#FAF8ED

border

#D3D1C8

text

#141308

muted

#83827B

Preview Lab

Preview with #B1B231

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

Preview Lab → · Contrast checker → · Palette generator →