#B4C63F#B4C63F

#B4C63F is a light, vivid yellow. Relative luminance 0.504; OKLCH L 78.8% C 0.157 H 116.7°. Best body text is #000000 at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#B4C63F
RGB	rgb(180, 198, 63)
HSL	hsl(68, 54%, 51%)
HSV	hsv(68, 68%, 78%)
CMYK	cmyk(9.1%, 0%, 68.2%, 22.4%)
CIE-LAB	lab(76.35, -23.61, 62.44)
CIE-LCH	lch(76.35, 66.75, 110.72°)
OKLab	oklab(78.8% -0.0705 0.1401)
OKLCH	oklch(78.8% 0.157 116.7)
XYZ	xyz(39.9146, 50.4509, 12.3370)
Luminance	0.5045 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4C63F #513FC6

analogous

#C6943F #B4C63F #70C63F

triadic

#B4C63F #3FB4C6 #C63FB4

tetradic

#B4C63F #3FC694 #513FC6 #C63F70

square

#B4C63F #3FC694 #513FC6 #C63F70

split-complementary

#B4C63F #3F70C6 #943FC6

monochromatic

#616B20 #8C9A2E #B4C63F #C6D46E #D9E29D

Accessibility & contrast

On white

1.89

#B4C63F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.09

#B4C63F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4C63F

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4C63F	#FFFFFF	#000000	##000000
##B4C63F	1.00	1.89	11.09	11.09
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.09	21.00	1.00	1.00
##000000	11.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BC2A

Deuteranopia (green-blind)

#D2BD49

Tritanopia (blue-blind)

#BFBBAB

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #b4c63f;
/* rgb */ color: rgb(180, 198, 63);
/* oklch */ color: oklch(78.8% 0.157 116.7);

Tailwind

colors: {
  custom: {
    50: '#ced77c',
    500: '#b4c63f',
    950: '#000000',
  },
}

SCSS

$custom: #b4c63f;
$custom-light: #ced77c;
$custom-dark: #000000;

JSON

{
  "hex": "#b4c63f",
  "rgb": {
    "r": 180,
    "g": 198,
    "b": 63
  },
  "hsl": {
    "h": 68,
    "s": 54.217,
    "l": 51.176
  },
  "oklch": {
    "l": 0.78797,
    "c": 0.15684,
    "h": 116.7
  },
  "luminance": 0.5045
}

Semantic roles & 50–950 ramp

primary

#B4C63F

secondary

#3D3475

accent

#4ADE5E

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14140A

muted

#83837D

Preview Lab

Preview with #B4C63F

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

Preview Lab → · Contrast checker → · Palette generator →