#B4A11B#B4A11B

#B4A11B is a light, vivid yellow. Relative luminance 0.353; OKLCH L 70.4% C 0.140 H 100.4°. Best body text is #000000 at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#B4A11B
RGB	rgb(180, 161, 27)
HSL	hsl(53, 74%, 41%)
HSV	hsv(53, 85%, 71%)
CMYK	cmyk(0%, 10.6%, 85%, 29.4%)
CIE-LAB	lab(65.96, -6.29, 64.48)
CIE-LCH	lch(65.96, 64.79, 95.57°)
OKLab	oklab(70.44% -0.0252 0.138)
OKLCH	oklch(70.44% 0.14 100.4)
XYZ	xyz(31.7667, 35.2738, 6.1720)
Luminance	0.3527 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4A11B #1B2EB4

analogous

#B4541B #B4A11B #7AB41B

triadic

#B4A11B #1BB4A1 #A11BB4

tetradic

#B4A11B #1BB454 #1B2EB4 #B41B7A

square

#B4A11B #1BB454 #1B2EB4 #B41B7A

split-complementary

#B4A11B #1B7AB4 #541BB4

monochromatic

#4A420B #7F7113 #B4A11B #DFC92D #E7D762

Accessibility & contrast

On white

2.61

#B4A11B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.05

#B4A11B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4A11B

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4A11B	#FFFFFF	#000000	##000000
##B4A11B	1.00	2.61	8.05	8.05
#FFFFFF	2.61	1.00	21.00	21.00
#000000	8.05	21.00	1.00	1.00
##000000	8.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B19C00

Deuteranopia (green-blind)

#B7A327

Tritanopia (blue-blind)

#C39489

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #b4a11b;
/* rgb */ color: rgb(180, 161, 27);
/* oklch */ color: oklch(70.4% 0.140 100.4);

Tailwind

colors: {
  custom: {
    50: '#cfbc67',
    500: '#b4a11b',
    950: '#000000',
  },
}

SCSS

$custom: #b4a11b;
$custom-light: #cfbc67;
$custom-dark: #000000;

JSON

{
  "hex": "#b4a11b",
  "rgb": {
    "r": 180,
    "g": 161,
    "b": 27
  },
  "hsl": {
    "h": 52.549,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.70444,
    "c": 0.14026,
    "h": 100.4
  },
  "luminance": 0.35272
}

Semantic roles & 50–950 ramp

primary

#B4A11B

secondary

#5F6CCC

accent

#4EF137

background

#FDFBF6

surface

#FAF6EB

border

#D3D0C6

text

#141107

muted

#83807A

Preview Lab

Preview with #B4A11B

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

Preview Lab → · Contrast checker → · Palette generator →