#BBC03B#BBC03B

#BBC03B is a light, vivid yellow. Relative luminance 0.486; OKLCH L 78.0% C 0.151 H 111.6°. Best body text is #000000 at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#BBC03B
RGB	rgb(187, 192, 59)
HSL	hsl(62, 53%, 49%)
HSV	hsv(62, 69%, 75%)
CMYK	cmyk(2.6%, 0%, 69.3%, 24.7%)
CIE-LAB	lab(75.19, -17.95, 62.96)
CIE-LCH	lch(75.19, 65.47, 105.91°)
OKLab	oklab(78% -0.0554 0.1404)
OKLCH	oklch(78% 0.151 111.6)
XYZ	xyz(40.1338, 48.5808, 11.3997)
Luminance	0.4858 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BBC03B #403BC0

analogous

#C0833B #BBC03B #78C03B

triadic

#BBC03B #3BBBC0 #C03BBB

tetradic

#BBC03B #3BC083 #403BC0 #C03B78

square

#BBC03B #3BC083 #403BC0 #C03B78

split-complementary

#BBC03B #3B78C0 #833BC0

monochromatic

#60621E #8D912D #BBC03B #CDD168 #DCDF97

Accessibility & contrast

On white

1.96

#BBC03B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.72

#BBC03B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #BBC03B

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BBC03B	#FFFFFF	#000000	##000000
##BBC03B	1.00	1.96	10.72	10.72
#FFFFFF	1.96	1.00	21.00	21.00
#000000	10.72	21.00	1.00	1.00
##000000	10.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFB725

Deuteranopia (green-blind)

#CFBB45

Tritanopia (blue-blind)

#C8B4A6

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #bbc03b;
/* rgb */ color: rgb(187, 192, 59);
/* oklch */ color: oklch(78.0% 0.151 111.6);

Tailwind

colors: {
  custom: {
    50: '#d3d279',
    500: '#bbc03b',
    950: '#000000',
  },
}

SCSS

$custom: #bbc03b;
$custom-light: #d3d279;
$custom-dark: #000000;

JSON

{
  "hex": "#bbc03b",
  "rgb": {
    "r": 187,
    "g": 192,
    "b": 59
  },
  "hsl": {
    "h": 62.256,
    "s": 52.988,
    "l": 49.216
  },
  "oklch": {
    "l": 0.77995,
    "c": 0.15093,
    "h": 111.6
  },
  "luminance": 0.4858
}

Semantic roles & 50–950 ramp

primary

#BBC03B

secondary

#8F8CCA

accent

#4BDC51

background

#FDFCF7

surface

#FAF9EE

border

#D3D2C9

text

#15140A

muted

#83827C

Preview Lab

Preview with #BBC03B

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

Preview Lab → · Contrast checker → · Palette generator →