#B1E649#B1E649

#B1E649 is a very light, vivid yellow-green. Relative luminance 0.664; OKLCH L 85.9% C 0.189 H 126.3°. Best body text is #000000 at 14.28:1 contrast (WCAG AA passes).

Color values

HEX	#B1E649
RGB	rgb(177, 230, 73)
HSL	hsl(80, 76%, 59%)
HSV	hsv(80, 68%, 90%)
CMYK	cmyk(23%, 0%, 68.3%, 9.8%)
CIE-LAB	lab(85.21, -39.10, 67.63)
CIE-LCH	lch(85.21, 78.12, 120.04°)
OKLab	oklab(85.92% -0.1122 0.1526)
OKLCH	oklch(85.92% 0.189 126.3)
XYZ	xyz(47.6310, 66.4210, 16.6132)
Luminance	0.6642 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1E649 #7E49E6

analogous

#E6CD49 #B1E649 #63E649

triadic

#B1E649 #49B1E6 #E649B1

tetradic

#B1E649 #49E6CD #7E49E6 #E64963

square

#B1E649 #49E6CD #7E49E6 #E64963

split-complementary

#B1E649 #4963E6 #CD49E6

monochromatic

#719F16 #97D51D #B1E649 #C8ED7F #DFF5B5

Accessibility & contrast

On white

1.47

#B1E649 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.28

#B1E649 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1E649

14.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1E649	#FFFFFF	#000000	##000000
##B1E649	1.00	1.47	14.28	14.28
#FFFFFF	1.47	1.00	21.00	21.00
#000000	14.28	21.00	1.00	1.00
##000000	14.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2D731

Deuteranopia (green-blind)

#EBD456

Tritanopia (blue-blind)

#B8DBC7

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #b1e649;
/* rgb */ color: rgb(177, 230, 73);
/* oklch */ color: oklch(85.9% 0.189 126.3);

Tailwind

colors: {
  custom: {
    50: '#ccee84',
    500: '#b1e649',
    950: '#000000',
  },
}

SCSS

$custom: #b1e649;
$custom-light: #ccee84;
$custom-dark: #000000;

JSON

{
  "hex": "#b1e649",
  "rgb": {
    "r": 177,
    "g": 230,
    "b": 73
  },
  "hsl": {
    "h": 80.255,
    "s": 75.845,
    "l": 59.412
  },
  "oklch": {
    "l": 0.8592,
    "c": 0.1894,
    "h": 126.3
  },
  "luminance": 0.66422
}

Semantic roles & 50–950 ramp

primary

#B1E649

secondary

#5732A2

accent

#35F275

background

#FEFFFB

surface

#FBFEF2

border

#D4D6CC

text

#14160B

muted

#83857E

Preview Lab

Preview with #B1E649

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

Preview Lab → · Contrast checker → · Palette generator →