#B3CA33#B3CA33

#B3CA33 is a light, vivid yellow. Relative luminance 0.521; OKLCH L 79.5% C 0.169 H 118.1°. Best body text is #000000 at 11.41:1 contrast (WCAG AA passes).

Color values

HEX	#B3CA33
RGB	rgb(179, 202, 51)
HSL	hsl(69, 60%, 50%)
HSV	hsv(69, 75%, 79%)
CMYK	cmyk(11.4%, 0%, 74.8%, 20.8%)
CIE-LAB	lab(77.32, -26.58, 67.59)
CIE-LCH	lch(77.32, 72.62, 111.47°)
OKLab	oklab(79.54% -0.0797 0.149)
OKLCH	oklch(79.54% 0.169 118.1)
XYZ	xyz(40.3094, 52.0642, 11.0572)
Luminance	0.5206 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3CA33 #4A33CA

analogous

#CA9633 #B3CA33 #68CA33

triadic

#B3CA33 #33B3CA #CA33B3

tetradic

#B3CA33 #33CA96 #4A33CA #CA3368

square

#B3CA33 #33CA96 #4A33CA #CA3368

split-complementary

#B3CA33 #3368CA #9633CA

monochromatic

#5C681A #889927 #B3CA33 #C6D863 #D8E494

Accessibility & contrast

On white

1.84

#B3CA33 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.41

#B3CA33 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3CA33

11.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3CA33	#FFFFFF	#000000	##000000
##B3CA33	1.00	1.84	11.41	11.41
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.41	21.00	1.00	1.00
##000000	11.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8BF0F

Deuteranopia (green-blind)

#D5C041

Tritanopia (blue-blind)

#BEBFAD

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #b3ca33;
/* rgb */ color: rgb(179, 202, 51);
/* oklch */ color: oklch(79.5% 0.169 118.1);

Tailwind

colors: {
  custom: {
    50: '#cdda76',
    500: '#b3ca33',
    950: '#000000',
  },
}

SCSS

$custom: #b3ca33;
$custom-light: #cdda76;
$custom-dark: #000000;

JSON

{
  "hex": "#b3ca33",
  "rgb": {
    "r": 179,
    "g": 202,
    "b": 51
  },
  "hsl": {
    "h": 69.139,
    "s": 59.684,
    "l": 49.608
  },
  "oklch": {
    "l": 0.79539,
    "c": 0.16899,
    "h": 118.1
  },
  "luminance": 0.52064
}

Semantic roles & 50–950 ramp

primary

#B3CA33

secondary

#392F72

accent

#45E35D

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#141409

muted

#83837D

Preview Lab

Preview with #B3CA33

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

Preview Lab → · Contrast checker → · Palette generator →