#B3F359#B3F359

#B3F359 is a very light, vivid yellow-green. Relative luminance 0.744; OKLCH L 89.2% C 0.193 H 129.0°. Best body text is #000000 at 15.88:1 contrast (WCAG AA passes).

Color values

HEX	#B3F359
RGB	rgb(179, 243, 89)
HSL	hsl(85, 87%, 65%)
HSV	hsv(85, 63%, 95%)
CMYK	cmyk(26.3%, 0%, 63.4%, 4.7%)
CIE-LAB	lab(89.11, -42.98, 65.59)
CIE-LCH	lch(89.11, 78.41, 123.23°)
OKLab	oklab(89.15% -0.1216 0.1504)
OKLCH	oklch(89.15% 0.193 129)
XYZ	xyz(52.4439, 74.4049, 21.0478)
Luminance	0.7441 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3F359 #9959F3

analogous

#F3E659 #B3F359 #66F359

triadic

#B3F359 #59B3F3 #F359B3

tetradic

#B3F359 #59F3E6 #9959F3 #F35966

square

#B3F359 #59F3E6 #9959F3 #F35966

split-complementary

#B3F359 #5966F3 #E659F3

monochromatic

#78C30E #99EF20 #B3F359 #CDF792 #E7FBCB

Accessibility & contrast

On white

1.32

#B3F359 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.88

#B3F359 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3F359

15.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3F359	#FFFFFF	#000000	##000000
##B3F359	1.00	1.32	15.88	15.88
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.88	21.00	1.00	1.00
##000000	15.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEE345

Deuteranopia (green-blind)

#F5DE65

Tritanopia (blue-blind)

#B8E9D3

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #b3f359;
/* rgb */ color: rgb(179, 243, 89);
/* oklch */ color: oklch(89.2% 0.193 129.0);

Tailwind

colors: {
  custom: {
    50: '#cdf78e',
    500: '#b3f359',
    950: '#000000',
  },
}

SCSS

$custom: #b3f359;
$custom-light: #cdf78e;
$custom-dark: #000000;

JSON

{
  "hex": "#b3f359",
  "rgb": {
    "r": 179,
    "g": 243,
    "b": 89
  },
  "hsl": {
    "h": 84.935,
    "s": 86.517,
    "l": 65.098
  },
  "oklch": {
    "l": 0.89152,
    "c": 0.19339,
    "h": 129
  },
  "luminance": 0.74406
}

Semantic roles & 50–950 ramp

primary

#B3F359

secondary

#6C2FC1

accent

#02E360

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B3F359

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

Preview Lab → · Contrast checker → · Palette generator →