#B1AC31#B1AC31

#B1AC31 is a light, vivid yellow. Relative luminance 0.391; OKLCH L 72.7% C 0.139 H 107.1°. Best body text is #000000 at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#B1AC31
RGB	rgb(177, 172, 49)
HSL	hsl(58, 57%, 44%)
HSV	hsv(58, 72%, 69%)
CMYK	cmyk(0%, 2.8%, 72.3%, 30.6%)
CIE-LAB	lab(68.81, -12.57, 60.12)
CIE-LCH	lch(68.81, 61.42, 101.81°)
OKLab	oklab(72.68% -0.0408 0.133)
OKLCH	oklch(72.68% 0.139 107.1)
XYZ	xyz(33.4397, 39.0751, 8.6859)
Luminance	0.3907 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1AC31 #3136B1

analogous

#B16C31 #B1AC31 #76B131

triadic

#B1AC31 #31B1AC #AC31B1

tetradic

#B1AC31 #31B16C #3136B1 #B13176

square

#B1AC31 #31B16C #3136B1 #B13176

split-complementary

#B1AC31 #3176B1 #6C31B1

monochromatic

#514F16 #817D24 #B1AC31 #CFCA51 #DCD880

Accessibility & contrast

On white

2.38

#B1AC31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.81

#B1AC31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1AC31

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1AC31	#FFFFFF	#000000	##000000
##B1AC31	1.00	2.38	8.81	8.81
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.81	21.00	1.00	1.00
##000000	8.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBA51B

Deuteranopia (green-blind)

#BDAA3A

Tritanopia (blue-blind)

#BEA194

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #b1ac31;
/* rgb */ color: rgb(177, 172, 49);
/* oklch */ color: oklch(72.7% 0.139 107.1);

Tailwind

colors: {
  custom: {
    50: '#ccc472',
    500: '#b1ac31',
    950: '#000000',
  },
}

SCSS

$custom: #b1ac31;
$custom-light: #ccc472;
$custom-dark: #000000;

JSON

{
  "hex": "#b1ac31",
  "rgb": {
    "r": 177,
    "g": 172,
    "b": 49
  },
  "hsl": {
    "h": 57.656,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.72677,
    "c": 0.13907,
    "h": 107.1
  },
  "luminance": 0.39074
}

Semantic roles & 50–950 ramp

primary

#B1AC31

secondary

#797CC5

accent

#4EE048

background

#FDFCF7

surface

#FAF8ED

border

#D3D1C8

text

#141208

muted

#83817B

Preview Lab

Preview with #B1AC31

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

Preview Lab → · Contrast checker → · Palette generator →