#B3C63F#B3C63F

#B3C63F is a light, vivid yellow. Relative luminance 0.503; OKLCH L 78.7% C 0.157 H 117.1°. Best body text is #000000 at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#B3C63F
RGB	rgb(179, 198, 63)
HSL	hsl(68, 54%, 51%)
HSV	hsv(68, 68%, 78%)
CMYK	cmyk(9.6%, 0%, 68.2%, 22.4%)
CIE-LAB	lab(76.27, -24.02, 62.34)
CIE-LCH	lch(76.27, 66.81, 111.08°)
OKLab	oklab(78.72% -0.0715 0.1399)
OKLCH	oklch(78.72% 0.157 117.1)
XYZ	xyz(39.6826, 50.3312, 12.3261)
Luminance	0.5033 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3C63F #523FC6

analogous

#C6953F #B3C63F #6FC63F

triadic

#B3C63F #3FB3C6 #C63FB3

tetradic

#B3C63F #3FC695 #523FC6 #C63F6F

square

#B3C63F #3FC695 #523FC6 #C63F6F

split-complementary

#B3C63F #3F6FC6 #953FC6

monochromatic

#606B20 #8B9A2E #B3C63F #C6D46E #D8E29D

Accessibility & contrast

On white

1.90

#B3C63F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.07

#B3C63F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3C63F

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3C63F	#FFFFFF	#000000	##000000
##B3C63F	1.00	1.90	11.07	11.07
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.07	21.00	1.00	1.00
##000000	11.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BC2A

Deuteranopia (green-blind)

#D1BD49

Tritanopia (blue-blind)

#BEBBAB

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #b3c63f;
/* rgb */ color: rgb(179, 198, 63);
/* oklch */ color: oklch(78.7% 0.157 117.1);

Tailwind

colors: {
  custom: {
    50: '#cdd77c',
    500: '#b3c63f',
    950: '#000000',
  },
}

SCSS

$custom: #b3c63f;
$custom-light: #cdd77c;
$custom-dark: #000000;

JSON

{
  "hex": "#b3c63f",
  "rgb": {
    "r": 179,
    "g": 198,
    "b": 63
  },
  "hsl": {
    "h": 68.444,
    "s": 54.217,
    "l": 51.176
  },
  "oklch": {
    "l": 0.78721,
    "c": 0.15717,
    "h": 117.1
  },
  "luminance": 0.50331
}

Semantic roles & 50–950 ramp

primary

#B3C63F

secondary

#3E3475

accent

#4ADE5F

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14140A

muted

#83837D

Preview Lab

Preview with #B3C63F

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

Preview Lab → · Contrast checker → · Palette generator →