#B0CA21#B0CA21

#B0CA21 is a light, vivid yellow. Relative luminance 0.516; OKLCH L 79.2% C 0.178 H 118.9°. Best body text is #000000 at 11.32:1 contrast (WCAG AA passes).

Color values

HEX	#B0CA21
RGB	rgb(176, 202, 33)
HSL	hsl(69, 72%, 46%)
HSV	hsv(69, 84%, 79%)
CMYK	cmyk(12.9%, 0%, 83.7%, 20.8%)
CIE-LAB	lab(77.03, -28.49, 72.24)
CIE-LCH	lch(77.03, 77.66, 111.53°)
OKLab	oklab(79.23% -0.0861 0.1561)
OKLCH	oklch(79.23% 0.178 118.9)
XYZ	xyz(39.3005, 51.5813, 9.3244)
Luminance	0.5158 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0CA21 #3B21CA

analogous

#CA8F21 #B0CA21 #5BCA21

triadic

#B0CA21 #21B0CA #CA21B0

tetradic

#B0CA21 #21CA8F #3B21CA #CA215B

square

#B0CA21 #21CA8F #3B21CA #CA215B

split-complementary

#B0CA21 #215BCA #8F21CA

monochromatic

#546110 #829518 #B0CA21 #C9E147 #D9EA7C

Accessibility & contrast

On white

1.86

#B0CA21 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.32

#B0CA21 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B0CA21

11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0CA21	#FFFFFF	#000000	##000000
##B0CA21	1.00	1.86	11.32	11.32
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.32	21.00	1.00	1.00
##000000	11.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8BE00

Deuteranopia (green-blind)

#D5BF34

Tritanopia (blue-blind)

#BBBFAC

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #b0ca21;
/* rgb */ color: rgb(176, 202, 33);
/* oklch */ color: oklch(79.2% 0.178 118.9);

Tailwind

colors: {
  custom: {
    50: '#ccda6f',
    500: '#b0ca21',
    950: '#000000',
  },
}

SCSS

$custom: #b0ca21;
$custom-light: #ccda6f;
$custom-dark: #000000;

JSON

{
  "hex": "#b0ca21",
  "rgb": {
    "r": 176,
    "g": 202,
    "b": 33
  },
  "hsl": {
    "h": 69.231,
    "s": 71.915,
    "l": 46.078
  },
  "oklch": {
    "l": 0.79228,
    "c": 0.17822,
    "h": 118.9
  },
  "luminance": 0.51581
}

Semantic roles & 50–950 ramp

primary

#B0CA21

secondary

#2F246C

accent

#39EF55

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#141408

muted

#83837D

Preview Lab

Preview with #B0CA21

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

Preview Lab → · Contrast checker → · Palette generator →