#B4C63A#B4C63A

#B4C63A is a light, vivid yellow. Relative luminance 0.504; OKLCH L 78.8% C 0.160 H 116.6°. Best body text is #000000 at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#B4C63A
RGB	rgb(180, 198, 58)
HSL	hsl(68, 55%, 50%)
HSV	hsv(68, 71%, 78%)
CMYK	cmyk(9.1%, 0%, 70.7%, 22.4%)
CIE-LAB	lab(76.31, -23.89, 64.25)
CIE-LCH	lch(76.31, 68.55, 110.39°)
OKLab	oklab(78.76% -0.0717 0.1431)
OKLCH	oklch(78.76% 0.16 116.6)
XYZ	xyz(39.7812, 50.3975, 11.6342)
Luminance	0.5040 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4C63A #4C3AC6

analogous

#C6923A #B4C63A #6EC63A

triadic

#B4C63A #3AB4C6 #C63AB4

tetradic

#B4C63A #3AC692 #4C3AC6 #C63A6E

square

#B4C63A #3AC692 #4C3AC6 #C63A6E

split-complementary

#B4C63A #3A6EC6 #923AC6

monochromatic

#5E681E #89972C #B4C63A #C6D469 #D8E199

Accessibility & contrast

On white

1.90

#B4C63A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.08

#B4C63A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4C63A

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4C63A	#FFFFFF	#000000	##000000
##B4C63A	1.00	1.90	11.08	11.08
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.08	21.00	1.00	1.00
##000000	11.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BC21

Deuteranopia (green-blind)

#D2BD45

Tritanopia (blue-blind)

#BFBBAB

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #b4c63a;
/* rgb */ color: rgb(180, 198, 58);
/* oklch */ color: oklch(78.8% 0.160 116.6);

Tailwind

colors: {
  custom: {
    50: '#ced779',
    500: '#b4c63a',
    950: '#000000',
  },
}

SCSS

$custom: #b4c63a;
$custom-light: #ced779;
$custom-dark: #000000;

JSON

{
  "hex": "#b4c63a",
  "rgb": {
    "r": 180,
    "g": 198,
    "b": 58
  },
  "hsl": {
    "h": 67.714,
    "s": 55.118,
    "l": 50.196
  },
  "oklch": {
    "l": 0.78761,
    "c": 0.16009,
    "h": 116.6
  },
  "luminance": 0.50397
}

Semantic roles & 50–950 ramp

primary

#B4C63A

secondary

#3B3272

accent

#49DE5D

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14140A

muted

#83837D

Preview Lab

Preview with #B4C63A

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

Preview Lab → · Contrast checker → · Palette generator →