#B1CF43#B1CF43

#B1CF43 is a light, vivid yellow-green. Relative luminance 0.544; OKLCH L 80.6% C 0.166 H 120.7°. Best body text is #000000 at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#B1CF43
RGB	rgb(177, 207, 67)
HSL	hsl(73, 59%, 54%)
HSV	hsv(73, 68%, 81%)
CMYK	cmyk(14.5%, 0%, 67.6%, 18.8%)
CIE-LAB	lab(78.68, -28.92, 63.22)
CIE-LCH	lch(78.68, 69.52, 114.58°)
OKLab	oklab(80.63% -0.0846 0.1425)
OKLCH	oklch(80.63% 0.166 120.7)
XYZ	xyz(41.4580, 54.3781, 13.6211)
Luminance	0.5438 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1CF43 #6143CF

analogous

#CFA743 #B1CF43 #6BCF43

triadic

#B1CF43 #43B1CF #CF43B1

tetradic

#B1CF43 #43CFA7 #6143CF #CF436B

square

#B1CF43 #43CFA7 #6143CF #CF436B

split-complementary

#B1CF43 #436BCF #A743CF

monochromatic

#65791F #8EAA2B #B1CF43 #C5DB74 #D9E8A5

Accessibility & contrast

On white

1.77

#B1CF43 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.88

#B1CF43 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1CF43

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1CF43	#FFFFFF	#000000	##000000
##B1CF43	1.00	1.77	11.88	11.88
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.88	21.00	1.00	1.00
##000000	11.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCC32E

Deuteranopia (green-blind)

#D8C34E

Tritanopia (blue-blind)

#BBC4B3

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #b1cf43;
/* rgb */ color: rgb(177, 207, 67);
/* oklch */ color: oklch(80.6% 0.166 120.7);

Tailwind

colors: {
  custom: {
    50: '#ccdd7f',
    500: '#b1cf43',
    950: '#000000',
  },
}

SCSS

$custom: #b1cf43;
$custom-light: #ccdd7f;
$custom-dark: #000000;

JSON

{
  "hex": "#b1cf43",
  "rgb": {
    "r": 177,
    "g": 207,
    "b": 67
  },
  "hsl": {
    "h": 72.857,
    "s": 59.322,
    "l": 53.725
  },
  "oklch": {
    "l": 0.80632,
    "c": 0.1657,
    "h": 120.7
  },
  "luminance": 0.54378
}

Semantic roles & 50–950 ramp

primary

#B1CF43

secondary

#453581

accent

#45E367

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150B

muted

#83847E

Preview Lab

Preview with #B1CF43

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

Preview Lab → · Contrast checker → · Palette generator →