#B1E263#B1E263

#B1E263 is a very light, vivid yellow-green. Relative luminance 0.646; OKLCH L 85.3% C 0.165 H 127.2°. Best body text is #000000 at 13.93:1 contrast (WCAG AA passes).

Color values

HEX	#B1E263
RGB	rgb(177, 226, 99)
HSL	hsl(83, 69%, 64%)
HSV	hsv(83, 56%, 89%)
CMYK	cmyk(21.7%, 0%, 56.2%, 11.4%)
CIE-LAB	lab(84.30, -35.31, 55.97)
CIE-LCH	lch(84.30, 66.18, 122.25°)
OKLab	oklab(85.25% -0.0995 0.131)
OKLCH	oklch(85.25% 0.165 127.2)
XYZ	xyz(47.5798, 64.6399, 21.7720)
Luminance	0.6464 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1E263 #9463E2

analogous

#E2D463 #B1E263 #71E263

triadic

#B1E263 #63B1E2 #E263B1

tetradic

#B1E263 #63E2D4 #9463E2 #E26371

square

#B1E263 #63E2D4 #9463E2 #E26371

split-complementary

#B1E263 #6371E2 #D463E2

monochromatic

#75AB20 #97D82F #B1E263 #CBEC97 #E5F5CA

Accessibility & contrast

On white

1.51

#B1E263 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.93

#B1E263 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1E263

13.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1E263	#FFFFFF	#000000	##000000
##B1E263	1.00	1.51	13.93	13.93
#FFFFFF	1.51	1.00	21.00	21.00
#000000	13.93	21.00	1.00	1.00
##000000	13.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ECD456

Deuteranopia (green-blind)

#E6D16B

Tritanopia (blue-blind)

#B7D9C6

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #b1e263;
/* rgb */ color: rgb(177, 226, 99);
/* oklch */ color: oklch(85.3% 0.165 127.2);

Tailwind

colors: {
  custom: {
    50: '#cbeb93',
    500: '#b1e263',
    950: '#000000',
  },
}

SCSS

$custom: #b1e263;
$custom-light: #cbeb93;
$custom-dark: #000000;

JSON

{
  "hex": "#b1e263",
  "rgb": {
    "r": 177,
    "g": 226,
    "b": 99
  },
  "hsl": {
    "h": 83.15,
    "s": 68.649,
    "l": 63.725
  },
  "oklch": {
    "l": 0.85251,
    "c": 0.16452,
    "h": 127.2
  },
  "luminance": 0.64641
}

Semantic roles & 50–950 ramp

primary

#B1E263

secondary

#683DAD

accent

#15D15D

background

#FEFEFC

surface

#FBFDF4

border

#D4D5CE

text

#14160D

muted

#83847F

Preview Lab

Preview with #B1E263

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

Preview Lab → · Contrast checker → · Palette generator →