#B3C03A#B3C03A

#B3C03A is a light, vivid yellow. Relative luminance 0.476; OKLCH L 77.3% C 0.154 H 114.9°. Best body text is #000000 at 10.52:1 contrast (WCAG AA passes).

Color values

HEX	#B3C03A
RGB	rgb(179, 192, 58)
HSL	hsl(66, 54%, 49%)
HSV	hsv(66, 70%, 75%)
CMYK	cmyk(6.8%, 0%, 69.8%, 24.7%)
CIE-LAB	lab(74.56, -21.36, 62.51)
CIE-LCH	lch(74.56, 66.06, 108.87°)
OKLab	oklab(77.34% -0.0646 0.1395)
OKLCH	oklch(77.34% 0.154 114.9)
XYZ	xyz(38.2048, 47.5891, 11.1752)
Luminance	0.4759 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3C03A #473AC0

analogous

#C08A3A #B3C03A #70C03A

triadic

#B3C03A #3AB3C0 #C03AB3

tetradic

#B3C03A #3AC08A #473AC0 #C03A70

square

#B3C03A #3AC08A #473AC0 #C03A70

split-complementary

#B3C03A #3A70C0 #8A3AC0

monochromatic

#5B621E #87912C #B3C03A #C7D166 #D8DF95

Accessibility & contrast

On white

2.00

#B3C03A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.52

#B3C03A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3C03A

10.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3C03A	#FFFFFF	#000000	##000000
##B3C03A	1.00	2.00	10.52	10.52
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.52	21.00	1.00	1.00
##000000	10.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEB624

Deuteranopia (green-blind)

#CDB944

Tritanopia (blue-blind)

#BFB5A6

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #b3c03a;
/* rgb */ color: rgb(179, 192, 58);
/* oklch */ color: oklch(77.3% 0.154 114.9);

Tailwind

colors: {
  custom: {
    50: '#cdd279',
    500: '#b3c03a',
    950: '#000000',
  },
}

SCSS

$custom: #b3c03a;
$custom-light: #cdd279;
$custom-dark: #000000;

JSON

{
  "hex": "#b3c03a",
  "rgb": {
    "r": 179,
    "g": 192,
    "b": 58
  },
  "hsl": {
    "h": 65.821,
    "s": 53.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.7734,
    "c": 0.15373,
    "h": 114.9
  },
  "luminance": 0.47588
}

Semantic roles & 50–950 ramp

primary

#B3C03A

secondary

#918BCA

accent

#4BDD59

background

#FDFCF7

surface

#FAF9EE

border

#D3D2C9

text

#14140A

muted

#83827C

Preview Lab

Preview with #B3C03A

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

Preview Lab → · Contrast checker → · Palette generator →