#B4D63F#B4D63F

#B4D63F is a very light, vivid yellow-green. Relative luminance 0.582; OKLCH L 82.4% C 0.175 H 121.5°. Best body text is #000000 at 12.63:1 contrast (WCAG AA passes).

Color values

HEX	#B4D63F
RGB	rgb(180, 214, 63)
HSL	hsl(74, 65%, 54%)
HSV	hsv(74, 71%, 84%)
CMYK	cmyk(15.9%, 0%, 70.6%, 16.1%)
CIE-LAB	lab(80.83, -31.24, 66.91)
CIE-LCH	lch(80.83, 73.85, 115.03°)
OKLab	oklab(82.4% -0.0916 0.1495)
OKLCH	oklch(82.4% 0.175 121.5)
XYZ	xyz(43.7668, 58.1553, 13.6210)
Luminance	0.5816 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4D63F #613FD6

analogous

#D6AD3F #B4D63F #69D63F

triadic

#B4D63F #3FB4D6 #D63FB4

tetradic

#B4D63F #3FD6AD #613FD6 #D63F69

square

#B4D63F #3FD6AD #613FD6 #D63F69

split-complementary

#B4D63F #3F69D6 #AD3FD6

monochromatic

#697F1B #92B226 #B4D63F #C8E171 #DBECA4

Accessibility & contrast

On white

1.66

#B4D63F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.63

#B4D63F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4D63F

12.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4D63F	#FFFFFF	#000000	##000000
##B4D63F	1.00	1.66	12.63	12.63
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.63	21.00	1.00	1.00
##000000	12.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3C925

Deuteranopia (green-blind)

#DFC94C

Tritanopia (blue-blind)

#BECBB8

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #b4d63f;
/* rgb */ color: rgb(180, 214, 63);
/* oklch */ color: oklch(82.4% 0.175 121.5);

Tailwind

colors: {
  custom: {
    50: '#cee27d',
    500: '#b4d63f',
    950: '#000000',
  },
}

SCSS

$custom: #b4d63f;
$custom-light: #cee27d;
$custom-dark: #000000;

JSON

{
  "hex": "#b4d63f",
  "rgb": {
    "r": 180,
    "g": 214,
    "b": 63
  },
  "hsl": {
    "h": 73.51,
    "s": 64.807,
    "l": 54.314
  },
  "oklch": {
    "l": 0.82403,
    "c": 0.17536,
    "h": 121.5
  },
  "luminance": 0.58155
}

Semantic roles & 50–950 ramp

primary

#B4D63F

secondary

#463387

accent

#40E866

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B4D63F

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

Preview Lab → · Contrast checker → · Palette generator →