#B1CF3F#B1CF3F

#B1CF3F is a light, vivid yellow-green. Relative luminance 0.543; OKLCH L 80.6% C 0.168 H 120.6°. Best body text is #000000 at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#B1CF3F
RGB	rgb(177, 207, 63)
HSL	hsl(73, 60%, 53%)
HSV	hsv(73, 70%, 81%)
CMYK	cmyk(14.5%, 0%, 69.6%, 18.8%)
CIE-LAB	lab(78.65, -29.16, 64.69)
CIE-LCH	lch(78.65, 70.96, 114.26°)
OKLab	oklab(80.6% -0.0857 0.1449)
OKLCH	oklch(80.6% 0.168 120.6)
XYZ	xyz(41.3422, 54.3317, 13.0108)
Luminance	0.5433 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1CF3F #5D3FCF

analogous

#CFA53F #B1CF3F #69CF3F

triadic

#B1CF3F #3FB1CF #CF3FB1

tetradic

#B1CF3F #3FCFA5 #5D3FCF #CF3F69

square

#B1CF3F #3FCFA5 #5D3FCF #CF3F69

split-complementary

#B1CF3F #3F69CF #A53FCF

monochromatic

#64761E #8DA72A #B1CF3F #C5DB70 #D9E7A1

Accessibility & contrast

On white

1.77

#B1CF3F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.87

#B1CF3F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1CF3F

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1CF3F	#FFFFFF	#000000	##000000
##B1CF3F	1.00	1.77	11.87	11.87
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.87	21.00	1.00	1.00
##000000	11.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCC327

Deuteranopia (green-blind)

#D8C34B

Tritanopia (blue-blind)

#BBC4B3

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #b1cf3f;
/* rgb */ color: rgb(177, 207, 63);
/* oklch */ color: oklch(80.6% 0.168 120.6);

Tailwind

colors: {
  custom: {
    50: '#ccdd7d',
    500: '#b1cf3f',
    950: '#000000',
  },
}

SCSS

$custom: #b1cf3f;
$custom-light: #ccdd7d;
$custom-dark: #000000;

JSON

{
  "hex": "#b1cf3f",
  "rgb": {
    "r": 177,
    "g": 207,
    "b": 63
  },
  "hsl": {
    "h": 72.5,
    "s": 60,
    "l": 52.941
  },
  "oklch": {
    "l": 0.80602,
    "c": 0.16836,
    "h": 120.6
  },
  "luminance": 0.54332
}

Semantic roles & 50–950 ramp

primary

#B1CF3F

secondary

#43347F

accent

#45E366

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B1CF3F

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

Preview Lab → · Contrast checker → · Palette generator →