#B1B128#B1B128

#B1B128 is a light, vivid yellow. Relative luminance 0.409; OKLCH L 73.7% C 0.149 H 109.6°. Best body text is #000000 at 9.19:1 contrast (WCAG AA passes).

Color values

HEX	#B1B128
RGB	rgb(177, 177, 40)
HSL	hsl(60, 63%, 43%)
HSV	hsv(60, 77%, 69%)
CMYK	cmyk(0%, 0%, 77.4%, 30.6%)
CIE-LAB	lab(70.14, -15.52, 64.38)
CIE-LCH	lch(70.14, 66.22, 103.56°)
OKLab	oklab(73.72% -0.0498 0.1403)
OKLCH	oklch(73.72% 0.149 109.6)
XYZ	xyz(34.2379, 40.9456, 8.1068)
Luminance	0.4094 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1B128 #2828B1

analogous

#B16C28 #B1B128 #6CB128

triadic

#B1B128 #28B1B1 #B128B1

tetradic

#B1B128 #28B16C #2828B1 #B1286C

square

#B1B128 #28B16C #2828B1 #B1286C

split-complementary

#B1B128 #286CB1 #6C28B1

monochromatic

#4D4D11 #7F7F1D #B1B128 #D4D442 #E0E074

Accessibility & contrast

On white

2.29

#B1B128 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.19

#B1B128 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1B128

9.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1B128	#FFFFFF	#000000	##000000
##B1B128	1.00	2.29	9.19	9.19
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.19	21.00	1.00	1.00
##000000	9.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0A900

Deuteranopia (green-blind)

#C1AD34

Tritanopia (blue-blind)

#BEA598

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #b1b128;
/* rgb */ color: rgb(177, 177, 40);
/* oklch */ color: oklch(73.7% 0.149 109.6);

Tailwind

colors: {
  custom: {
    50: '#ccc86e',
    500: '#b1b128',
    950: '#000000',
  },
}

SCSS

$custom: #b1b128;
$custom-light: #ccc86e;
$custom-dark: #000000;

JSON

{
  "hex": "#b1b128",
  "rgb": {
    "r": 177,
    "g": 177,
    "b": 40
  },
  "hsl": {
    "h": 60,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.73725,
    "c": 0.14893,
    "h": 109.6
  },
  "luminance": 0.40945
}

Semantic roles & 50–950 ramp

primary

#B1B128

secondary

#6E6EC7

accent

#42E642

background

#FDFCF7

surface

#FAF8ED

border

#D3D1C8

text

#141308

muted

#83827B

Preview Lab

Preview with #B1B128

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

Preview Lab → · Contrast checker → · Palette generator →