#B1C73D#B1C73D

#B1C73D is a light, vivid yellow. Relative luminance 0.505; OKLCH L 78.8% C 0.160 H 118.1°. Best body text is #000000 at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#B1C73D
RGB	rgb(177, 199, 61)
HSL	hsl(70, 55%, 51%)
HSV	hsv(70, 69%, 78%)
CMYK	cmyk(11.1%, 0%, 69.3%, 22%)
CIE-LAB	lab(76.39, -25.45, 63.17)
CIE-LCH	lch(76.39, 68.10, 111.94°)
OKLab	oklab(78.78% -0.0756 0.1414)
OKLCH	oklch(78.78% 0.16 118.1)
XYZ	xyz(39.3980, 50.5312, 12.0920)
Luminance	0.5053 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1C73D #533DC7

analogous

#C7983D #B1C73D #6CC73D

triadic

#B1C73D #3DB1C7 #C73DB1

tetradic

#B1C73D #3DC798 #533DC7 #C73D6C

square

#B1C73D #3DC798 #533DC7 #C73D6C

split-complementary

#B1C73D #3D6CC7 #983DC7

monochromatic

#5F6B1F #899A2D #B1C73D #C4D56C #D7E29C

Accessibility & contrast

On white

1.89

#B1C73D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.11

#B1C73D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1C73D

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1C73D	#FFFFFF	#000000	##000000
##B1C73D	1.00	1.89	11.11	11.11
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.11	21.00	1.00	1.00
##000000	11.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BC27

Deuteranopia (green-blind)

#D2BD48

Tritanopia (blue-blind)

#BBBCAC

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #b1c73d;
/* rgb */ color: rgb(177, 199, 61);
/* oklch */ color: oklch(78.8% 0.160 118.1);

Tailwind

colors: {
  custom: {
    50: '#ccd87b',
    500: '#b1c73d',
    950: '#000000',
  },
}

SCSS

$custom: #b1c73d;
$custom-light: #ccd87b;
$custom-dark: #000000;

JSON

{
  "hex": "#b1c73d",
  "rgb": {
    "r": 177,
    "g": 199,
    "b": 61
  },
  "hsl": {
    "h": 69.565,
    "s": 55.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.78778,
    "c": 0.16035,
    "h": 118.1
  },
  "luminance": 0.50531
}

Semantic roles & 50–950 ramp

primary

#B1C73D

secondary

#3E3475

accent

#49DF61

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14140A

muted

#83837D

Preview Lab

Preview with #B1C73D

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

Preview Lab → · Contrast checker → · Palette generator →