#B1CF35#B1CF35

#B1CF35 is a light, vivid yellow-green. Relative luminance 0.542; OKLCH L 80.5% C 0.174 H 120.3°. Best body text is #000000 at 11.85:1 contrast (WCAG AA passes).

Color values

HEX	#B1CF35
RGB	rgb(177, 207, 53)
HSL	hsl(72, 62%, 51%)
HSV	hsv(72, 74%, 81%)
CMYK	cmyk(14.5%, 0%, 74.4%, 18.8%)
CIE-LAB	lab(78.60, -29.68, 68.09)
CIE-LCH	lch(78.60, 74.28, 113.55°)
OKLab	oklab(80.54% -0.088 0.1505)
OKLCH	oklch(80.54% 0.174 120.3)
XYZ	xyz(41.0877, 54.2299, 11.6703)
Luminance	0.5423 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1CF35 #5335CF

analogous

#CFA035 #B1CF35 #64CF35

triadic

#B1CF35 #35B1CF #CF35B1

tetradic

#B1CF35 #35CFA0 #5335CF #CF3564

square

#B1CF35 #35CFA0 #5335CF #CF3564

split-complementary

#B1CF35 #3564CF #A035CF

monochromatic

#5F6F1A #89A126 #B1CF35 #C4DB66 #D7E798

Accessibility & contrast

On white

1.77

#B1CF35 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.85

#B1CF35 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1CF35

11.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1CF35	#FFFFFF	#000000	##000000
##B1CF35	1.00	1.77	11.85	11.85
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.85	21.00	1.00	1.00
##000000	11.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCC311

Deuteranopia (green-blind)

#D9C343

Tritanopia (blue-blind)

#BBC4B2

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #b1cf35;
/* rgb */ color: rgb(177, 207, 53);
/* oklch */ color: oklch(80.5% 0.174 120.3);

Tailwind

colors: {
  custom: {
    50: '#ccdd78',
    500: '#b1cf35',
    950: '#000000',
  },
}

SCSS

$custom: #b1cf35;
$custom-light: #ccdd78;
$custom-dark: #000000;

JSON

{
  "hex": "#b1cf35",
  "rgb": {
    "r": 177,
    "g": 207,
    "b": 53
  },
  "hsl": {
    "h": 71.688,
    "s": 61.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.80535,
    "c": 0.17431,
    "h": 120.3
  },
  "luminance": 0.5423
}

Semantic roles & 50–950 ramp

primary

#B1CF35

secondary

#3E3078

accent

#43E563

background

#FEFEFB

surface

#FBFCF1

border

#D4D5CB

text

#14150A

muted

#83847D

Preview Lab

Preview with #B1CF35

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

Preview Lab → · Contrast checker → · Palette generator →