#B4B128#B4B128

#B4B128 is a light, vivid yellow. Relative luminance 0.413; OKLCH L 74.0% C 0.148 H 108.2°. Best body text is #000000 at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#B4B128
RGB	rgb(180, 177, 40)
HSL	hsl(59, 64%, 43%)
HSV	hsv(59, 78%, 71%)
CMYK	cmyk(0%, 1.7%, 77.8%, 29.4%)
CIE-LAB	lab(70.39, -14.22, 64.69)
CIE-LCH	lch(70.39, 66.24, 102.40°)
OKLab	oklab(73.98% -0.0464 0.1409)
OKLCH	oklch(73.98% 0.148 108.2)
XYZ	xyz(34.9289, 41.3020, 8.1392)
Luminance	0.4130 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4B128 #282BB4

analogous

#B46B28 #B4B128 #71B428

triadic

#B4B128 #28B4B1 #B128B4

tetradic

#B4B128 #28B46B #282BB4 #B42871

square

#B4B128 #28B46B #282BB4 #B42871

split-complementary

#B4B128 #2871B4 #6B28B4

monochromatic

#504F12 #82801D #B4B128 #D5D244 #E1DE76

Accessibility & contrast

On white

2.27

#B4B128 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.26

#B4B128 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4B128

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4B128	#FFFFFF	#000000	##000000
##B4B128	1.00	2.27	9.26	9.26
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.26	21.00	1.00	1.00
##000000	9.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0AA00

Deuteranopia (green-blind)

#C2AE34

Tritanopia (blue-blind)

#C1A598

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #b4b128;
/* rgb */ color: rgb(180, 177, 40);
/* oklch */ color: oklch(74.0% 0.148 108.2);

Tailwind

colors: {
  custom: {
    50: '#cec86e',
    500: '#b4b128',
    950: '#000000',
  },
}

SCSS

$custom: #b4b128;
$custom-light: #cec86e;
$custom-dark: #000000;

JSON

{
  "hex": "#b4b128",
  "rgb": {
    "r": 180,
    "g": 177,
    "b": 40
  },
  "hsl": {
    "h": 58.714,
    "s": 63.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.73984,
    "c": 0.14834,
    "h": 108.2
  },
  "luminance": 0.41301
}

Semantic roles & 50–950 ramp

primary

#B4B128

secondary

#7072C8

accent

#45E741

background

#FDFCF7

surface

#FAF8ED

border

#D3D1C8

text

#141308

muted

#83827B

Preview Lab

Preview with #B4B128

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

Preview Lab → · Contrast checker → · Palette generator →