#B1E645#B1E645

#B1E645 is a very light, vivid yellow-green. Relative luminance 0.664; OKLCH L 85.9% C 0.192 H 126.1°. Best body text is #000000 at 14.27:1 contrast (WCAG AA passes).

Color values

HEX	#B1E645
RGB	rgb(177, 230, 69)
HSL	hsl(80, 76%, 59%)
HSV	hsv(80, 70%, 90%)
CMYK	cmyk(23%, 0%, 70%, 9.8%)
CIE-LAB	lab(85.18, -39.35, 69.06)
CIE-LCH	lch(85.18, 79.48, 119.67°)
OKLab	oklab(85.89% -0.1132 0.155)
OKLCH	oklch(85.89% 0.192 126.1)
XYZ	xyz(47.5027, 66.3697, 15.9370)
Luminance	0.6637 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1E645 #7A45E6

analogous

#E6CB45 #B1E645 #60E645

triadic

#B1E645 #45B1E6 #E645B1

tetradic

#B1E645 #45E6CB #7A45E6 #E64560

square

#B1E645 #45E6CB #7A45E6 #E64560

split-complementary

#B1E645 #4560E6 #CB45E6

monochromatic

#6F9C15 #96D21C #B1E645 #C8ED7B #DEF5B1

Accessibility & contrast

On white

1.47

#B1E645 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.27

#B1E645 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1E645

14.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1E645	#FFFFFF	#000000	##000000
##B1E645	1.00	1.47	14.27	14.27
#FFFFFF	1.47	1.00	21.00	21.00
#000000	14.27	21.00	1.00	1.00
##000000	14.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2D72A

Deuteranopia (green-blind)

#EBD453

Tritanopia (blue-blind)

#B8DBC6

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #b1e645;
/* rgb */ color: rgb(177, 230, 69);
/* oklch */ color: oklch(85.9% 0.192 126.1);

Tailwind

colors: {
  custom: {
    50: '#ccee82',
    500: '#b1e645',
    950: '#000000',
  },
}

SCSS

$custom: #b1e645;
$custom-light: #ccee82;
$custom-dark: #000000;

JSON

{
  "hex": "#b1e645",
  "rgb": {
    "r": 177,
    "g": 230,
    "b": 69
  },
  "hsl": {
    "h": 79.752,
    "s": 76.303,
    "l": 58.627
  },
  "oklch": {
    "l": 0.85891,
    "c": 0.19193,
    "h": 126.1
  },
  "luminance": 0.6637
}

Semantic roles & 50–950 ramp

primary

#B1E645

secondary

#55309F

accent

#35F373

background

#FEFFFB

surface

#FBFEF2

border

#D4D6CC

text

#14160B

muted

#83857E

Preview Lab

Preview with #B1E645

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

Preview Lab → · Contrast checker → · Palette generator →