#B4B428#B4B428

#B4B428 is a light, vivid yellow. Relative luminance 0.425; OKLCH L 74.6% C 0.151 H 109.6°. Best body text is #000000 at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#B4B428
RGB	rgb(180, 180, 40)
HSL	hsl(60, 64%, 43%)
HSV	hsv(60, 78%, 71%)
CMYK	cmyk(0%, 0%, 77.8%, 29.4%)
CIE-LAB	lab(71.21, -15.75, 65.44)
CIE-LCH	lch(71.21, 67.30, 103.53°)
OKLab	oklab(74.65% -0.0506 0.1425)
OKLCH	oklch(74.65% 0.151 109.6)
XYZ	xyz(35.5280, 42.5001, 8.3389)
Luminance	0.4250 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4B428 #2828B4

analogous

#B46E28 #B4B428 #6EB428

triadic

#B4B428 #28B4B4 #B428B4

tetradic

#B4B428 #28B46E #2828B4 #B4286E

square

#B4B428 #28B46E #2828B4 #B4286E

split-complementary

#B4B428 #286EB4 #6E28B4

monochromatic

#505012 #82821D #B4B428 #D5D544 #E1E176

Accessibility & contrast

On white

2.21

#B4B428 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.50

#B4B428 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4B428

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4B428	#FFFFFF	#000000	##000000
##B4B428	1.00	2.21	9.50	9.50
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.50	21.00	1.00	1.00
##000000	9.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AC00

Deuteranopia (green-blind)

#C5B034

Tritanopia (blue-blind)

#C1A89A

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #b4b428;
/* rgb */ color: rgb(180, 180, 40);
/* oklch */ color: oklch(74.6% 0.151 109.6);

Tailwind

colors: {
  custom: {
    50: '#ceca6f',
    500: '#b4b428',
    950: '#000000',
  },
}

SCSS

$custom: #b4b428;
$custom-light: #ceca6f;
$custom-dark: #000000;

JSON

{
  "hex": "#b4b428",
  "rgb": {
    "r": 180,
    "g": 180,
    "b": 40
  },
  "hsl": {
    "h": 60,
    "s": 63.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.74645,
    "c": 0.15122,
    "h": 109.6
  },
  "luminance": 0.42499
}

Semantic roles & 50–950 ramp

primary

#B4B428

secondary

#7070C8

accent

#41E741

background

#FDFCF7

surface

#FAF8ED

border

#D3D1C8

text

#141308

muted

#83827B

Preview Lab

Preview with #B4B428

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

Preview Lab → · Contrast checker → · Palette generator →