#E4FF48#E4FF48

#E4FF48 is a very light, vivid yellow. Relative luminance 0.885; OKLCH L 94.9% C 0.198 H 117.7°. Best body text is #000000 at 18.70:1 contrast (WCAG AA passes).

Color values

HEX	#E4FF48
RGB	rgb(228, 255, 72)
HSL	hsl(69, 100%, 64%)
HSV	hsv(69, 72%, 100%)
CMYK	cmyk(10.6%, 0%, 71.8%, 0%)
CIE-LAB	lab(95.36, -30.80, 79.12)
CIE-LCH	lch(95.36, 84.91, 111.27°)
OKLab	oklab(94.95% -0.0922 0.1754)
OKLCH	oklch(94.95% 0.198 117.7)
XYZ	xyz(68.9262, 88.4826, 19.5774)
Luminance	0.8848 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E4FF48 #6348FF

analogous

#FFBE48 #E4FF48 #89FF48

triadic

#E4FF48 #48E4FF #FF48E4

tetradic

#E4FF48 #48FFBE #6348FF #FF4889

square

#E4FF48 #48FFBE #6348FF #FF4889

split-complementary

#E4FF48 #4889FF #BE48FF

monochromatic

#AECD00 #DBFF0B #E4FF48 #EDFF85 #F6FFC2

Accessibility & contrast

On white

1.12

#E4FF48 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.70

#E4FF48 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E4FF48

18.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E4FF48	#FFFFFF	#000000	##000000
##E4FF48	1.00	1.12	18.70	18.70
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.70	21.00	1.00	1.00
##000000	18.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF123

Deuteranopia (green-blind)

#FFF358

Tritanopia (blue-blind)

#F2F1DC

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #e4ff48;
/* rgb */ color: rgb(228, 255, 72);
/* oklch */ color: oklch(94.9% 0.198 117.7);

Tailwind

colors: {
  custom: {
    50: '#f0ff87',
    500: '#e4ff48',
    950: '#000000',
  },
}

SCSS

$custom: #e4ff48;
$custom-light: #f0ff87;
$custom-dark: #000000;

JSON

{
  "hex": "#e4ff48",
  "rgb": {
    "r": 228,
    "g": 255,
    "b": 72
  },
  "hsl": {
    "h": 68.852,
    "s": 100,
    "l": 64.118
  },
  "oklch": {
    "l": 0.94949,
    "c": 0.19814,
    "h": 117.7
  },
  "luminance": 0.88482
}

Semantic roles & 50–950 ramp

primary

#E4FF48

secondary

#3C23C8

accent

#00E622

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#17170C

muted

#85857F

Preview Lab

Preview with #E4FF48

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

Preview Lab → · Contrast checker → · Palette generator →