#B1A428#B1A428

#B1A428 is a light, vivid yellow. Relative luminance 0.361; OKLCH L 70.9% C 0.137 H 103.1°. Best body text is #000000 at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#B1A428
RGB	rgb(177, 164, 40)
HSL	hsl(54, 63%, 43%)
HSV	hsv(54, 77%, 69%)
CMYK	cmyk(0%, 7.3%, 77.4%, 30.6%)
CIE-LAB	lab(66.56, -8.78, 61.13)
CIE-LCH	lch(66.56, 61.76, 98.18°)
OKLab	oklab(70.87% -0.031 0.1334)
OKLCH	oklch(70.87% 0.137 103.1)
XYZ	xyz(31.7914, 36.0526, 7.2913)
Luminance	0.3605 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1A428 #2835B1

analogous

#B16028 #B1A428 #79B128

triadic

#B1A428 #28B1A4 #A428B1

tetradic

#B1A428 #28B160 #2835B1 #B12879

square

#B1A428 #28B160 #2835B1 #B12879

split-complementary

#B1A428 #2879B1 #6028B1

monochromatic

#4D4711 #7F761D #B1A428 #D4C642 #E0D574

Accessibility & contrast

On white

2.56

#B1A428 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.21

#B1A428 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1A428

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1A428	#FFFFFF	#000000	##000000
##B1A428	1.00	2.56	8.21	8.21
#FFFFFF	2.56	1.00	21.00	21.00
#000000	8.21	21.00	1.00	1.00
##000000	8.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B39F09

Deuteranopia (green-blind)

#B7A532

Tritanopia (blue-blind)

#BF988D

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #b1a428;
/* rgb */ color: rgb(177, 164, 40);
/* oklch */ color: oklch(70.9% 0.137 103.1);

Tailwind

colors: {
  custom: {
    50: '#ccbe6d',
    500: '#b1a428',
    950: '#000000',
  },
}

SCSS

$custom: #b1a428;
$custom-light: #ccbe6d;
$custom-dark: #000000;

JSON

{
  "hex": "#b1a428",
  "rgb": {
    "r": 177,
    "g": 164,
    "b": 40
  },
  "hsl": {
    "h": 54.307,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.70873,
    "c": 0.13697,
    "h": 103.1
  },
  "luminance": 0.36051
}

Semantic roles & 50–950 ramp

primary

#B1A428

secondary

#6E76C7

accent

#51E642

background

#FDFBF6

surface

#FAF6EC

border

#D3D0C7

text

#141207

muted

#83817A

Preview Lab

Preview with #B1A428

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

Preview Lab → · Contrast checker → · Palette generator →