#B4B738#B4B738

#B4B738 is a light, vivid yellow. Relative luminance 0.439; OKLCH L 75.4% C 0.145 H 110.8°. Best body text is #000000 at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#B4B738
RGB	rgb(180, 183, 56)
HSL	hsl(61, 53%, 47%)
HSV	hsv(61, 69%, 72%)
CMYK	cmyk(1.6%, 0%, 69.4%, 28.2%)
CIE-LAB	lab(72.13, -16.55, 60.87)
CIE-LCH	lch(72.13, 63.08, 105.21°)
OKLab	oklab(75.41% -0.0514 0.1357)
OKLCH	oklch(75.41% 0.145 110.8)
XYZ	xyz(36.4709, 43.8568, 10.2846)
Luminance	0.4386 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4B738 #3B38B7

analogous

#B77A38 #B4B738 #75B738

triadic

#B4B738 #38B4B7 #B738B4

tetradic

#B4B738 #38B77A #3B38B7 #B73875

square

#B4B738 #38B77A #3B38B7 #B73875

split-complementary

#B4B738 #3875B7 #7A38B7

monochromatic

#58591B #86882A #B4B738 #CBCE5E #DADC8D

Accessibility & contrast

On white

2.15

#B4B738 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.77

#B4B738 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4B738

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4B738	#FFFFFF	#000000	##000000
##B4B738	1.00	2.15	9.77	9.77
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.77	21.00	1.00	1.00
##000000	9.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5AF23

Deuteranopia (green-blind)

#C6B341

Tritanopia (blue-blind)

#C0AC9E

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #b4b738;
/* rgb */ color: rgb(180, 183, 56);
/* oklch */ color: oklch(75.4% 0.145 110.8);

Tailwind

colors: {
  custom: {
    50: '#cecc77',
    500: '#b4b738',
    950: '#000000',
  },
}

SCSS

$custom: #b4b738;
$custom-light: #cecc77;
$custom-dark: #000000;

JSON

{
  "hex": "#b4b738",
  "rgb": {
    "r": 180,
    "g": 183,
    "b": 56
  },
  "hsl": {
    "h": 61.417,
    "s": 53.138,
    "l": 46.863
  },
  "oklch": {
    "l": 0.75408,
    "c": 0.1451,
    "h": 110.8
  },
  "luminance": 0.43856
}

Semantic roles & 50–950 ramp

primary

#B4B738

secondary

#8684C7

accent

#4BDD4F

background

#FDFCF7

surface

#FAF8ED

border

#D3D1C8

text

#141309

muted

#83827B

Preview Lab

Preview with #B4B738

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

Preview Lab → · Contrast checker → · Palette generator →