#B1CA2C#B1CA2C

#B1CA2C is a light, vivid yellow. Relative luminance 0.518; OKLCH L 79.4% C 0.173 H 118.7°. Best body text is #000000 at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#B1CA2C
RGB	rgb(177, 202, 44)
HSL	hsl(69, 64%, 48%)
HSV	hsv(69, 78%, 79%)
CMYK	cmyk(12.4%, 0%, 78.2%, 20.8%)
CIE-LAB	lab(77.14, -27.70, 69.51)
CIE-LCH	lch(77.14, 74.83, 111.73°)
OKLab	oklab(79.35% -0.0832 0.152)
OKLCH	oklch(79.35% 0.173 118.7)
XYZ	xyz(39.7075, 51.7703, 10.2833)
Luminance	0.5177 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1CA2C #452CCA

analogous

#CA942C #B1CA2C #62CA2C

triadic

#B1CA2C #2CB1CA #CA2CB1

tetradic

#B1CA2C #2CCA94 #452CCA #CA2C62

square

#B1CA2C #2CCA94 #452CCA #CA2C62

split-complementary

#B1CA2C #2C62CA #942CCA

monochromatic

#596516 #859821 #B1CA2C #C6DB58 #D7E68B

Accessibility & contrast

On white

1.85

#B1CA2C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.35

#B1CA2C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1CA2C

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1CA2C	#FFFFFF	#000000	##000000
##B1CA2C	1.00	1.85	11.35	11.35
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.35	21.00	1.00	1.00
##000000	11.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8BE00

Deuteranopia (green-blind)

#D5BF3C

Tritanopia (blue-blind)

#BCBFAD

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #b1ca2c;
/* rgb */ color: rgb(177, 202, 44);
/* oklch */ color: oklch(79.4% 0.173 118.7);

Tailwind

colors: {
  custom: {
    50: '#ccda73',
    500: '#b1ca2c',
    950: '#000000',
  },
}

SCSS

$custom: #b1ca2c;
$custom-light: #ccda73;
$custom-dark: #000000;

JSON

{
  "hex": "#b1ca2c",
  "rgb": {
    "r": 177,
    "g": 202,
    "b": 44
  },
  "hsl": {
    "h": 69.494,
    "s": 64.228,
    "l": 48.235
  },
  "oklch": {
    "l": 0.79351,
    "c": 0.17328,
    "h": 118.7
  },
  "luminance": 0.5177
}

Semantic roles & 50–950 ramp

primary

#B1CA2C

secondary

#352A70

accent

#41E75B

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#141409

muted

#83837D

Preview Lab

Preview with #B1CA2C

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

Preview Lab → · Contrast checker → · Palette generator →