#E4FF99#E4FF99

#E4FF99 is a very light, vivid yellow-green. Relative luminance 0.903; OKLCH L 95.8% C 0.130 H 121.0°. Best body text is #000000 at 19.06:1 contrast (WCAG AA passes).

Color values

HEX	#E4FF99
RGB	rgb(228, 255, 153)
HSL	hsl(76, 100%, 80%)
HSV	hsv(76, 40%, 100%)
CMYK	cmyk(10.6%, 0%, 40%, 0%)
CIE-LAB	lab(96.13, -24.36, 45.81)
CIE-LCH	lch(96.13, 51.88, 118.00°)
OKLab	oklab(95.81% -0.0672 0.1118)
OKLCH	oklch(95.81% 0.13 121)
XYZ	xyz(73.5047, 90.3140, 43.6908)
Luminance	0.9031 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Yellowish Green

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E4FF99 #B499FF

analogous

#FFE799 #E4FF99 #B1FF99

triadic

#E4FF99 #99E4FF #FF99E4

tetradic

#E4FF99 #99FFE7 #B499FF #FF99B1

square

#E4FF99 #99FFE7 #B499FF #FF99B1

split-complementary

#E4FF99 #99B1FF #E799FF

monochromatic

#C4FF1F #D4FF5C #E4FF99 #F4FFD6 #F7FFE0

Accessibility & contrast

On white

1.10

#E4FF99 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.06

#E4FF99 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E4FF99

19.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E4FF99	#FFFFFF	#000000	##000000
##E4FF99	1.00	1.10	19.06	19.06
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.06	21.00	1.00	1.00
##000000	19.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF491

Deuteranopia (green-blind)

#FFF49E

Tritanopia (blue-blind)

#ECF5E6

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #e4ff99;
/* rgb */ color: rgb(228, 255, 153);
/* oklch */ color: oklch(95.8% 0.130 121.0);

Tailwind

colors: {
  custom: {
    50: '#eeffb8',
    500: '#e4ff99',
    950: '#000000',
  },
}

SCSS

$custom: #e4ff99;
$custom-light: #eeffb8;
$custom-dark: #000000;

JSON

{
  "hex": "#e4ff99",
  "rgb": {
    "r": 228,
    "g": 255,
    "b": 153
  },
  "hsl": {
    "h": 75.882,
    "s": 100,
    "l": 80
  },
  "oklch": {
    "l": 0.95808,
    "c": 0.13039,
    "h": 121
  },
  "luminance": 0.90314
}

Semantic roles & 50–950 ramp

primary

#E4FF99

secondary

#7E5AE2

accent

#00E63D

background

#FFFFFD

surface

#FEFFF8

border

#D6D7D1

text

#161811

muted

#858681

Preview Lab

Preview with #E4FF99

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

Preview Lab → · Contrast checker → · Palette generator →