#B3C03B#B3C03B

#B3C03B is a light, vivid yellow. Relative luminance 0.476; OKLCH L 77.3% C 0.153 H 114.9°. Best body text is #000000 at 10.52:1 contrast (WCAG AA passes).

Color values

HEX	#B3C03B
RGB	rgb(179, 192, 59)
HSL	hsl(66, 53%, 49%)
HSV	hsv(66, 69%, 75%)
CMYK	cmyk(6.8%, 0%, 69.3%, 24.7%)
CIE-LAB	lab(74.57, -21.31, 62.14)
CIE-LCH	lch(74.57, 65.69, 108.93°)
OKLab	oklab(77.35% -0.0644 0.1389)
OKLCH	oklch(77.35% 0.153 114.9)
XYZ	xyz(38.2305, 47.5994, 11.3105)
Luminance	0.4760 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3C03B #483BC0

analogous

#C08B3B #B3C03B #70C03B

triadic

#B3C03B #3BB3C0 #C03BB3

tetradic

#B3C03B #3BC08B #483BC0 #C03B70

square

#B3C03B #3BC08B #483BC0 #C03B70

split-complementary

#B3C03B #3B70C0 #8B3BC0

monochromatic

#5C621E #87912D #B3C03B #C6D168 #D8DF97

Accessibility & contrast

On white

2.00

#B3C03B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.52

#B3C03B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3C03B

10.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3C03B	#FFFFFF	#000000	##000000
##B3C03B	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)

#CEB625

Deuteranopia (green-blind)

#CDB945

Tritanopia (blue-blind)

#BEB5A6

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #b3c03b;
/* rgb */ color: rgb(179, 192, 59);
/* oklch */ color: oklch(77.3% 0.153 114.9);

Tailwind

colors: {
  custom: {
    50: '#cdd279',
    500: '#b3c03b',
    950: '#000000',
  },
}

SCSS

$custom: #b3c03b;
$custom-light: #cdd279;
$custom-dark: #000000;

JSON

{
  "hex": "#b3c03b",
  "rgb": {
    "r": 179,
    "g": 192,
    "b": 59
  },
  "hsl": {
    "h": 65.865,
    "s": 52.988,
    "l": 49.216
  },
  "oklch": {
    "l": 0.77347,
    "c": 0.15308,
    "h": 114.9
  },
  "luminance": 0.47599
}

Semantic roles & 50–950 ramp

primary

#B3C03B

secondary

#928CCA

accent

#4BDC5A

background

#FDFCF7

surface

#FAF9EE

border

#D3D2C9

text

#14140A

muted

#83827C

Preview Lab

Preview with #B3C03B

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

Preview Lab → · Contrast checker → · Palette generator →