#B4C040#B4C040

#B4C040 is a light, vivid yellow. Relative luminance 0.478; OKLCH L 77.5% C 0.149 H 114.5°. Best body text is #000000 at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#B4C040
RGB	rgb(180, 192, 64)
HSL	hsl(66, 50%, 50%)
HSV	hsv(66, 67%, 75%)
CMYK	cmyk(6.2%, 0%, 66.7%, 24.7%)
CIE-LAB	lab(74.68, -20.60, 60.36)
CIE-LCH	lch(74.68, 63.78, 108.85°)
OKLab	oklab(77.46% -0.062 0.1359)
OKLCH	oklch(77.46% 0.149 114.5)
XYZ	xyz(38.5984, 47.7734, 12.0374)
Luminance	0.4777 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4C040 #4C40C0

analogous

#C08C40 #B4C040 #74C040

triadic

#B4C040 #40B4C0 #C040B4

tetradic

#B4C040 #40C08C #4C40C0 #C04074

square

#B4C040 #40C08C #4C40C0 #C04074

split-complementary

#B4C040 #4074C0 #8C40C0

monochromatic

#5E6421 #899230 #B4C040 #C6CF6E #D8DE9C

Accessibility & contrast

On white

1.99

#B4C040 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.55

#B4C040 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4C040

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4C040	#FFFFFF	#000000	##000000
##B4C040	1.00	1.99	10.55	10.55
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.55	21.00	1.00	1.00
##000000	10.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDB72E

Deuteranopia (green-blind)

#CDB949

Tritanopia (blue-blind)

#BFB5A6

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #b4c040;
/* rgb */ color: rgb(180, 192, 64);
/* oklch */ color: oklch(77.5% 0.149 114.5);

Tailwind

colors: {
  custom: {
    50: '#cdd27c',
    500: '#b4c040',
    950: '#000000',
  },
}

SCSS

$custom: #b4c040;
$custom-light: #cdd27c;
$custom-dark: #000000;

JSON

{
  "hex": "#b4c040",
  "rgb": {
    "r": 180,
    "g": 192,
    "b": 64
  },
  "hsl": {
    "h": 65.625,
    "s": 50.394,
    "l": 50.196
  },
  "oklch": {
    "l": 0.77465,
    "c": 0.14937,
    "h": 114.5
  },
  "luminance": 0.47773
}

Semantic roles & 50–950 ramp

primary

#B4C040

secondary

#9791CB

accent

#4EDA5B

background

#FDFCF7

surface

#FAF9EE

border

#D3D2C9

text

#14140A

muted

#83827C

Preview Lab

Preview with #B4C040

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

Preview Lab → · Contrast checker → · Palette generator →