#B1AC28#B1AC28

#B1AC28 is a light, vivid yellow. Relative luminance 0.390; OKLCH L 72.6% C 0.144 H 107.2°. Best body text is #000000 at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#B1AC28
RGB	rgb(177, 172, 40)
HSL	hsl(58, 63%, 43%)
HSV	hsv(58, 77%, 69%)
CMYK	cmyk(0%, 2.8%, 77.4%, 30.6%)
CIE-LAB	lab(68.76, -12.96, 63.13)
CIE-LCH	lch(68.76, 64.44, 101.60°)
OKLab	oklab(72.62% -0.0427 0.1377)
OKLCH	oklch(72.62% 0.144 107.2)
XYZ	xyz(33.2683, 39.0065, 7.7837)
Luminance	0.3901 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1AC28 #282DB1

analogous

#B16728 #B1AC28 #72B128

triadic

#B1AC28 #28B1AC #AC28B1

tetradic

#B1AC28 #28B167 #282DB1 #B12872

square

#B1AC28 #28B167 #282DB1 #B12872

split-complementary

#B1AC28 #2872B1 #6728B1

monochromatic

#4D4B11 #7F7B1D #B1AC28 #D4CF42 #E0DC74

Accessibility & contrast

On white

2.39

#B1AC28 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.80

#B1AC28 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1AC28

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1AC28	#FFFFFF	#000000	##000000
##B1AC28	1.00	2.39	8.80	8.80
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.80	21.00	1.00	1.00
##000000	8.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBA503

Deuteranopia (green-blind)

#BDAA33

Tritanopia (blue-blind)

#BEA093

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #b1ac28;
/* rgb */ color: rgb(177, 172, 40);
/* oklch */ color: oklch(72.6% 0.144 107.2);

Tailwind

colors: {
  custom: {
    50: '#ccc46e',
    500: '#b1ac28',
    950: '#000000',
  },
}

SCSS

$custom: #b1ac28;
$custom-light: #ccc46e;
$custom-dark: #000000;

JSON

{
  "hex": "#b1ac28",
  "rgb": {
    "r": 177,
    "g": 172,
    "b": 40
  },
  "hsl": {
    "h": 57.81,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.72622,
    "c": 0.14414,
    "h": 107.2
  },
  "luminance": 0.39005
}

Semantic roles & 50–950 ramp

primary

#B1AC28

secondary

#6E71C7

accent

#48E642

background

#FDFCF6

surface

#FAF8EC

border

#D3D1C7

text

#141208

muted

#83817B

Preview Lab

Preview with #B1AC28

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

Preview Lab → · Contrast checker → · Palette generator →