#B3EF5B#B3EF5B

#B3EF5B is a very light, vivid yellow-green. Relative luminance 0.721; OKLCH L 88.3% C 0.187 H 128.5°. Best body text is #000000 at 15.41:1 contrast (WCAG AA passes).

Color values

HEX	#B3EF5B
RGB	rgb(179, 239, 91)
HSL	hsl(84, 82%, 65%)
HSV	hsv(84, 62%, 94%)
CMYK	cmyk(25.1%, 0%, 61.9%, 6.3%)
CIE-LAB	lab(88.00, -41.07, 63.58)
CIE-LCH	lch(88.00, 75.69, 122.86°)
OKLab	oklab(88.26% -0.1162 0.1463)
OKLCH	oklch(88.26% 0.187 128.5)
XYZ	xyz(51.3451, 72.0709, 21.1014)
Luminance	0.7207 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3EF5B #975BEF

analogous

#EFE15B #B3EF5B #69EF5B

triadic

#B3EF5B #5BB3EF #EF5BB3

tetradic

#B3EF5B #5BEFE1 #975BEF #EF5B69

square

#B3EF5B #5BEFE1 #975BEF #EF5B69

split-complementary

#B3EF5B #5B69EF #E15BEF

monochromatic

#78BD12 #99EA23 #B3EF5B #CDF493 #E7FACB

Accessibility & contrast

On white

1.36

#B3EF5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.41

#B3EF5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3EF5B

15.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3EF5B	#FFFFFF	#000000	##000000
##B3EF5B	1.00	1.36	15.41	15.41
#FFFFFF	1.36	1.00	21.00	21.00
#000000	15.41	21.00	1.00	1.00
##000000	15.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FADF49

Deuteranopia (green-blind)

#F2DB66

Tritanopia (blue-blind)

#B8E5D0

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #b3ef5b;
/* rgb */ color: rgb(179, 239, 91);
/* oklch */ color: oklch(88.3% 0.187 128.5);

Tailwind

colors: {
  custom: {
    50: '#cdf48f',
    500: '#b3ef5b',
    950: '#000000',
  },
}

SCSS

$custom: #b3ef5b;
$custom-light: #cdf48f;
$custom-dark: #000000;

JSON

{
  "hex": "#b3ef5b",
  "rgb": {
    "r": 179,
    "g": 239,
    "b": 91
  },
  "hsl": {
    "h": 84.324,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.88257,
    "c": 0.18689,
    "h": 128.5
  },
  "luminance": 0.72072
}

Semantic roles & 50–950 ramp

primary

#B3EF5B

secondary

#6A33BC

accent

#07DF5E

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B3EF5B

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

Preview Lab → · Contrast checker → · Palette generator →