#B1C72A#B1C72A

#B1C72A is a light, vivid yellow. Relative luminance 0.504; OKLCH L 78.7% C 0.171 H 117.8°. Best body text is #000000 at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#B1C72A
RGB	rgb(177, 199, 42)
HSL	hsl(68, 65%, 47%)
HSV	hsv(68, 79%, 78%)
CMYK	cmyk(11.1%, 0%, 78.9%, 22%)
CIE-LAB	lab(76.29, -26.34, 69.32)
CIE-LCH	lch(76.29, 74.15, 110.81°)
OKLab	oklab(78.66% -0.0796 0.1512)
OKLCH	oklch(78.66% 0.171 117.8)
XYZ	xyz(38.9738, 50.3615, 9.8577)
Luminance	0.5036 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1C72A #402AC7

analogous

#C78F2A #B1C72A #62C72A

triadic

#B1C72A #2AB1C7 #C72AB1

tetradic

#B1C72A #2AC78F #402AC7 #C72A62

square

#B1C72A #2AC78F #402AC7 #C72A62

split-complementary

#B1C72A #2A62C7 #8F2AC7

monochromatic

#576215 #84941F #B1C72A #C8DB53 #D8E586

Accessibility & contrast

On white

1.90

#B1C72A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.07

#B1C72A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1C72A

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1C72A	#FFFFFF	#000000	##000000
##B1C72A	1.00	1.90	11.07	11.07
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.07	21.00	1.00	1.00
##000000	11.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5BC00

Deuteranopia (green-blind)

#D2BD3A

Tritanopia (blue-blind)

#BCBCAA

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #b1c72a;
/* rgb */ color: rgb(177, 199, 42);
/* oklch */ color: oklch(78.7% 0.171 117.8);

Tailwind

colors: {
  custom: {
    50: '#ccd772',
    500: '#b1c72a',
    950: '#000000',
  },
}

SCSS

$custom: #b1c72a;
$custom-light: #ccd772;
$custom-dark: #000000;

JSON

{
  "hex": "#b1c72a",
  "rgb": {
    "r": 177,
    "g": 199,
    "b": 42
  },
  "hsl": {
    "h": 68.408,
    "s": 65.145,
    "l": 47.255
  },
  "oklch": {
    "l": 0.78662,
    "c": 0.17091,
    "h": 117.8
  },
  "luminance": 0.50361
}

Semantic roles & 50–950 ramp

primary

#B1C72A

secondary

#32296D

accent

#40E857

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#141409

muted

#83837D

Preview Lab

Preview with #B1C72A

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

Preview Lab → · Contrast checker → · Palette generator →