#B3CA37#B3CA37

#B3CA37 is a light, vivid yellow. Relative luminance 0.521; OKLCH L 79.6% C 0.167 H 118.2°. Best body text is #000000 at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#B3CA37
RGB	rgb(179, 202, 55)
HSL	hsl(69, 58%, 50%)
HSV	hsv(69, 73%, 79%)
CMYK	cmyk(11.4%, 0%, 72.8%, 20.8%)
CIE-LAB	lab(77.34, -26.39, 66.28)
CIE-LCH	lch(77.34, 71.34, 111.71°)
OKLab	oklab(79.56% -0.0788 0.1469)
OKLCH	oklch(79.56% 0.167 118.2)
XYZ	xyz(40.4014, 52.1010, 11.5418)
Luminance	0.5210 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3CA37 #4E37CA

analogous

#CA9837 #B3CA37 #69CA37

triadic

#B3CA37 #37B3CA #CA37B3

tetradic

#B3CA37 #37CA98 #4E37CA #CA3769

square

#B3CA37 #37CA98 #4E37CA #CA3769

split-complementary

#B3CA37 #3769CA #9837CA

monochromatic

#5E6A1C #899B29 #B3CA37 #C5D767 #D8E498

Accessibility & contrast

On white

1.84

#B3CA37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.42

#B3CA37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3CA37

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3CA37	#FFFFFF	#000000	##000000
##B3CA37	1.00	1.84	11.42	11.42
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.42	21.00	1.00	1.00
##000000	11.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7BF19

Deuteranopia (green-blind)

#D5C044

Tritanopia (blue-blind)

#BEBFAE

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #b3ca37;
/* rgb */ color: rgb(179, 202, 55);
/* oklch */ color: oklch(79.6% 0.167 118.2);

Tailwind

colors: {
  custom: {
    50: '#cdda78',
    500: '#b3ca37',
    950: '#000000',
  },
}

SCSS

$custom: #b3ca37;
$custom-light: #cdda78;
$custom-dark: #000000;

JSON

{
  "hex": "#b3ca37",
  "rgb": {
    "r": 179,
    "g": 202,
    "b": 55
  },
  "hsl": {
    "h": 69.388,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.79564,
    "c": 0.16675,
    "h": 118.2
  },
  "luminance": 0.52101
}

Semantic roles & 50–950 ramp

primary

#B3CA37

secondary

#3C3174

accent

#46E15F

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#14140A

muted

#83837D

Preview Lab

Preview with #B3CA37

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

Preview Lab → · Contrast checker → · Palette generator →