#B4F05A#B4F05A

#B4F05A is a very light, vivid yellow-green. Relative luminance 0.728; OKLCH L 88.5% C 0.188 H 128.3°. Best body text is #000000 at 15.55:1 contrast (WCAG AA passes).

Color values

HEX	#B4F05A
RGB	rgb(180, 240, 90)
HSL	hsl(84, 83%, 65%)
HSV	hsv(84, 63%, 94%)
CMYK	cmyk(25%, 0%, 62.5%, 5.9%)
CIE-LAB	lab(88.33, -41.23, 64.36)
CIE-LCH	lch(88.33, 76.43, 122.64°)
OKLab	oklab(88.54% -0.1168 0.1479)
OKLCH	oklch(88.54% 0.188 128.3)
XYZ	xyz(51.8278, 72.7606, 20.9845)
Luminance	0.7276 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4F05A #965AF0

analogous

#F0E15A #B4F05A #69F05A

triadic

#B4F05A #5AB4F0 #F05AB4

tetradic

#B4F05A #5AF0E1 #965AF0 #F05A69

square

#B4F05A #5AF0E1 #965AF0 #F05A69

split-complementary

#B4F05A #5A69F0 #E15AF0

monochromatic

#79BE11 #9BEB22 #B4F05A #CEF592 #E7FACA

Accessibility & contrast

On white

1.35

#B4F05A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.55

#B4F05A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4F05A

15.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4F05A	#FFFFFF	#000000	##000000
##B4F05A	1.00	1.35	15.55	15.55
#FFFFFF	1.35	1.00	21.00	21.00
#000000	15.55	21.00	1.00	1.00
##000000	15.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FBE047

Deuteranopia (green-blind)

#F3DC65

Tritanopia (blue-blind)

#B9E6D1

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #b4f05a;
/* rgb */ color: rgb(180, 240, 90);
/* oklch */ color: oklch(88.5% 0.188 128.3);

Tailwind

colors: {
  custom: {
    50: '#cef58f',
    500: '#b4f05a',
    950: '#000000',
  },
}

SCSS

$custom: #b4f05a;
$custom-light: #cef58f;
$custom-dark: #000000;

JSON

{
  "hex": "#b4f05a",
  "rgb": {
    "r": 180,
    "g": 240,
    "b": 90
  },
  "hsl": {
    "h": 84,
    "s": 83.333,
    "l": 64.706
  },
  "oklch": {
    "l": 0.88537,
    "c": 0.18843,
    "h": 128.3
  },
  "luminance": 0.72762
}

Semantic roles & 50–950 ramp

primary

#B4F05A

secondary

#6932BD

accent

#06E05D

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B4F05A

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

Preview Lab → · Contrast checker → · Palette generator →