#B1CA2D#B1CA2D

#B1CA2D 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 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#B1CA2D
RGB	rgb(177, 202, 45)
HSL	hsl(70, 64%, 48%)
HSV	hsv(70, 78%, 79%)
CMYK	cmyk(12.4%, 0%, 77.7%, 20.8%)
CIE-LAB	lab(77.15, -27.66, 69.23)
CIE-LCH	lch(77.15, 74.55, 111.78°)
OKLab	oklab(79.36% -0.083 0.1516)
OKLCH	oklch(79.36% 0.173 118.7)
XYZ	xyz(39.7265, 51.7779, 10.3834)
Luminance	0.5178 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1CA2D #462DCA

analogous

#CA942D #B1CA2D #62CA2D

triadic

#B1CA2D #2DB1CA #CA2DB1

tetradic

#B1CA2D #2DCA94 #462DCA #CA2D62

square

#B1CA2D #2DCA94 #462DCA #CA2D62

split-complementary

#B1CA2D #2D62CA #942DCA

monochromatic

#596617 #859822 #B1CA2D #C6DA5A #D7E58C

Accessibility & contrast

On white

1.85

#B1CA2D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.36

#B1CA2D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1CA2D

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1CA2D	#FFFFFF	#000000	##000000
##B1CA2D	1.00	1.85	11.36	11.36
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.36	21.00	1.00	1.00
##000000	11.36	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: #b1ca2d;
/* rgb */ color: rgb(177, 202, 45);
/* oklch */ color: oklch(79.4% 0.173 118.7);

Tailwind

colors: {
  custom: {
    50: '#ccda73',
    500: '#b1ca2d',
    950: '#000000',
  },
}

SCSS

$custom: #b1ca2d;
$custom-light: #ccda73;
$custom-dark: #000000;

JSON

{
  "hex": "#b1ca2d",
  "rgb": {
    "r": 177,
    "g": 202,
    "b": 45
  },
  "hsl": {
    "h": 69.554,
    "s": 63.563,
    "l": 48.431
  },
  "oklch": {
    "l": 0.79356,
    "c": 0.1728,
    "h": 118.7
  },
  "luminance": 0.51778
}

Semantic roles & 50–950 ramp

primary

#B1CA2D

secondary

#362B70

accent

#41E75C

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#141409

muted

#83837D

Preview Lab

Preview with #B1CA2D

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

Preview Lab → · Contrast checker → · Palette generator →