#B1B028#B1B028

#B1B028 is a light, vivid yellow. Relative luminance 0.406; OKLCH L 73.5% C 0.148 H 109.1°. Best body text is #000000 at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#B1B028
RGB	rgb(177, 176, 40)
HSL	hsl(60, 63%, 43%)
HSV	hsv(60, 77%, 69%)
CMYK	cmyk(0%, 0.6%, 77.4%, 30.6%)
CIE-LAB	lab(69.86, -15.01, 64.13)
CIE-LCH	lch(69.86, 65.86, 103.18°)
OKLab	oklab(73.5% -0.0484 0.1398)
OKLCH	oklch(73.5% 0.148 109.1)
XYZ	xyz(34.0411, 40.5521, 8.0412)
Luminance	0.4055 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1B028 #2829B1

analogous

#B16B28 #B1B028 #6EB128

triadic

#B1B028 #28B1B0 #B028B1

tetradic

#B1B028 #28B16B #2829B1 #B1286E

square

#B1B028 #28B16B #2829B1 #B1286E

split-complementary

#B1B028 #286EB1 #6B28B1

monochromatic

#4D4D11 #7F7E1D #B1B028 #D4D342 #E0DF74

Accessibility & contrast

On white

2.31

#B1B028 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.11

#B1B028 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1B028

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1B028	#FFFFFF	#000000	##000000
##B1B028	1.00	2.31	9.11	9.11
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.11	21.00	1.00	1.00
##000000	9.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFA800

Deuteranopia (green-blind)

#C1AD34

Tritanopia (blue-blind)

#BEA497

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #b1b028;
/* rgb */ color: rgb(177, 176, 40);
/* oklch */ color: oklch(73.5% 0.148 109.1);

Tailwind

colors: {
  custom: {
    50: '#ccc76e',
    500: '#b1b028',
    950: '#000000',
  },
}

SCSS

$custom: #b1b028;
$custom-light: #ccc76e;
$custom-dark: #000000;

JSON

{
  "hex": "#b1b028",
  "rgb": {
    "r": 177,
    "g": 176,
    "b": 40
  },
  "hsl": {
    "h": 59.562,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.73504,
    "c": 0.14796,
    "h": 109.1
  },
  "luminance": 0.40551
}

Semantic roles & 50–950 ramp

primary

#B1B028

secondary

#6E6FC7

accent

#43E642

background

#FDFCF7

surface

#FAF8ED

border

#D3D1C8

text

#141308

muted

#83827B

Preview Lab

Preview with #B1B028

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

Preview Lab → · Contrast checker → · Palette generator →