#B4CA37#B4CA37

#B4CA37 is a light, vivid yellow. Relative luminance 0.522; OKLCH L 79.6% C 0.166 H 117.9°. Best body text is #000000 at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#B4CA37
RGB	rgb(180, 202, 55)
HSL	hsl(69, 58%, 50%)
HSV	hsv(69, 73%, 79%)
CMYK	cmyk(10.9%, 0%, 72.8%, 20.8%)
CIE-LAB	lab(77.41, -25.98, 66.37)
CIE-LCH	lch(77.41, 71.28, 111.38°)
OKLab	oklab(79.64% -0.0777 0.1471)
OKLCH	oklch(79.64% 0.166 117.9)
XYZ	xyz(40.6334, 52.2206, 11.5527)
Luminance	0.5222 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4CA37 #4D37CA

analogous

#CA9737 #B4CA37 #6ACA37

triadic

#B4CA37 #37B4CA #CA37B4

tetradic

#B4CA37 #37CA97 #4D37CA #CA376A

square

#B4CA37 #37CA97 #4D37CA #CA376A

split-complementary

#B4CA37 #376ACA #9737CA

monochromatic

#5F6A1C #8A9B29 #B4CA37 #C6D767 #D8E498

Accessibility & contrast

On white

1.84

#B4CA37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.44

#B4CA37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4CA37

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4CA37	#FFFFFF	#000000	##000000
##B4CA37	1.00	1.84	11.44	11.44
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.44	21.00	1.00	1.00
##000000	11.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8BF19

Deuteranopia (green-blind)

#D5C044

Tritanopia (blue-blind)

#BFBFAE

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #b4ca37;
/* rgb */ color: rgb(180, 202, 55);
/* oklch */ color: oklch(79.6% 0.166 117.9);

Tailwind

colors: {
  custom: {
    50: '#ceda78',
    500: '#b4ca37',
    950: '#000000',
  },
}

SCSS

$custom: #b4ca37;
$custom-light: #ceda78;
$custom-dark: #000000;

JSON

{
  "hex": "#b4ca37",
  "rgb": {
    "r": 180,
    "g": 202,
    "b": 55
  },
  "hsl": {
    "h": 68.98,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.79639,
    "c": 0.16639,
    "h": 117.9
  },
  "luminance": 0.5222
}

Semantic roles & 50–950 ramp

primary

#B4CA37

secondary

#3B3174

accent

#46E15E

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#14140A

muted

#83837D

Preview Lab

Preview with #B4CA37

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

Preview Lab → · Contrast checker → · Palette generator →