#B4F366#B4F366

#B4F366 is a very light, vivid yellow-green. Relative luminance 0.748; OKLCH L 89.3% C 0.183 H 129.7°. Best body text is #000000 at 15.95:1 contrast (WCAG AA passes).

Color values

HEX	#B4F366
RGB	rgb(180, 243, 102)
HSL	hsl(87, 85%, 68%)
HSV	hsv(87, 58%, 95%)
CMYK	cmyk(25.9%, 0%, 58%, 4.7%)
CIE-LAB	lab(89.28, -41.56, 60.39)
CIE-LCH	lch(89.28, 73.30, 124.53°)
OKLab	oklab(89.34% -0.1167 0.1407)
OKLCH	oklch(89.34% 0.183 129.7)
XYZ	xyz(53.2709, 74.7625, 24.1918)
Luminance	0.7476 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4F366 #A566F3

analogous

#F3EC66 #B4F366 #6DF366

triadic

#B4F366 #66B4F3 #F366B4

tetradic

#B4F366 #66F3EC #A566F3 #F3666D

square

#B4F366 #66F3EC #A566F3 #F3666D

split-complementary

#B4F366 #666DF3 #EC66F3

monochromatic

#79CE10 #98EF2D #B4F366 #D0F79F #ECFCD7

Accessibility & contrast

On white

1.32

#B4F366 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.95

#B4F366 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4F366

15.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4F366	#FFFFFF	#000000	##000000
##B4F366	1.00	1.32	15.95	15.95
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.95	21.00	1.00	1.00
##000000	15.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE357

Deuteranopia (green-blind)

#F4DF70

Tritanopia (blue-blind)

#B8E9D5

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #b4f366;
/* rgb */ color: rgb(180, 243, 102);
/* oklch */ color: oklch(89.3% 0.183 129.7);

Tailwind

colors: {
  custom: {
    50: '#cef796',
    500: '#b4f366',
    950: '#000000',
  },
}

SCSS

$custom: #b4f366;
$custom-light: #cef796;
$custom-dark: #000000;

JSON

{
  "hex": "#b4f366",
  "rgb": {
    "r": 180,
    "g": 243,
    "b": 102
  },
  "hsl": {
    "h": 86.809,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.89339,
    "c": 0.18284,
    "h": 129.7
  },
  "luminance": 0.74764
}

Semantic roles & 50–950 ramp

primary

#B4F366

secondary

#7733CA

accent

#04E267

background

#FEFFFC

surface

#FBFEF5

border

#D4D6CF

text

#14170E

muted

#83857F

Preview Lab

Preview with #B4F366

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

Preview Lab → · Contrast checker → · Palette generator →