#E4F64E#E4F64E

#E4F64E is a very light, vivid yellow. Relative luminance 0.830; OKLCH L 93.1% C 0.185 H 115.4°. Best body text is #000000 at 17.59:1 contrast (WCAG AA passes).

Color values

HEX	#E4F64E
RGB	rgb(228, 246, 78)
HSL	hsl(66, 90%, 64%)
HSV	hsv(66, 68%, 96%)
CMYK	cmyk(7.3%, 0%, 68.3%, 3.5%)
CIE-LAB	lab(93.00, -26.31, 74.76)
CIE-LCH	lch(93.00, 79.25, 109.39°)
OKLab	oklab(93.06% -0.0793 0.1671)
OKLCH	oklch(93.06% 0.185 115.4)
XYZ	xyz(66.3275, 82.9566, 19.7244)
Luminance	0.8296 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E4F64E #604EF6

analogous

#F6B44E #E4F64E #90F64E

triadic

#E4F64E #4EE4F6 #F64EE4

tetradic

#E4F64E #4EF6B4 #604EF6 #F64E90

square

#E4F64E #4EF6B4 #604EF6 #F64E90

split-complementary

#E4F64E #4E90F6 #B44EF6

monochromatic

#ACC00A #DBF314 #E4F64E #EDF988 #F6FCC2

Accessibility & contrast

On white

1.19

#E4F64E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.59

#E4F64E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E4F64E

17.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E4F64E	#FFFFFF	#000000	##000000
##E4F64E	1.00	1.19	17.59	17.59
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.59	21.00	1.00	1.00
##000000	17.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA33

Deuteranopia (green-blind)

#FFEC5B

Tritanopia (blue-blind)

#F2E8D5

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #e4f64e;
/* rgb */ color: rgb(228, 246, 78);
/* oklch */ color: oklch(93.1% 0.185 115.4);

Tailwind

colors: {
  custom: {
    50: '#f0f989',
    500: '#e4f64e',
    950: '#000000',
  },
}

SCSS

$custom: #e4f64e;
$custom-light: #f0f989;
$custom-dark: #000000;

JSON

{
  "hex": "#e4f64e",
  "rgb": {
    "r": 228,
    "g": 246,
    "b": 78
  },
  "hsl": {
    "h": 66.429,
    "s": 90.323,
    "l": 63.529
  },
  "oklch": {
    "l": 0.93058,
    "c": 0.18497,
    "h": 115.4
  },
  "luminance": 0.82956
}

Semantic roles & 50–950 ramp

primary

#E4F64E

secondary

#3A2BBE

accent

#00E619

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#17170C

muted

#85857F

Preview Lab

Preview with #E4F64E

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

Preview Lab → · Contrast checker → · Palette generator →