#E4EC66#E4EC66

#E4EC66 is a very light, vivid yellow. Relative luminance 0.774; OKLCH L 91.1% C 0.156 H 112.3°. Best body text is #000000 at 16.49:1 contrast (WCAG AA passes).

Color values

HEX	#E4EC66
RGB	rgb(228, 236, 102)
HSL	hsl(64, 78%, 66%)
HSV	hsv(64, 57%, 93%)
CMYK	cmyk(3.4%, 0%, 56.8%, 7.5%)
CIE-LAB	lab(90.53, -20.03, 62.64)
CIE-LCH	lch(90.53, 65.77, 107.73°)
OKLab	oklab(91.14% -0.0593 0.1448)
OKLCH	oklch(91.14% 0.156 112.3)
XYZ	xyz(64.3902, 77.4455, 24.1243)
Luminance	0.7744 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E4EC66 #6E66EC

analogous

#ECB166 #E4EC66 #A1EC66

triadic

#E4EC66 #66E4EC #EC66E4

tetradic

#E4EC66 #66ECB1 #6E66EC #EC66A1

square

#E4EC66 #66ECB1 #6E66EC #EC66A1

split-complementary

#E4EC66 #66A1EC #B166EC

monochromatic

#B6C018 #DAE530 #E4EC66 #EEF39C #F7FAD3

Accessibility & contrast

On white

1.27

#E4EC66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.49

#E4EC66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E4EC66

16.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E4EC66	#FFFFFF	#000000	##000000
##E4EC66	1.00	1.27	16.49	16.49
#FFFFFF	1.27	1.00	21.00	21.00
#000000	16.49	21.00	1.00	1.00
##000000	16.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCE257

Deuteranopia (green-blind)

#FCE66E

Tritanopia (blue-blind)

#F2DFCF

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #e4ec66;
/* rgb */ color: rgb(228, 236, 102);
/* oklch */ color: oklch(91.1% 0.156 112.3);

Tailwind

colors: {
  custom: {
    50: '#eff296',
    500: '#e4ec66',
    950: '#000000',
  },
}

SCSS

$custom: #e4ec66;
$custom-light: #eff296;
$custom-dark: #000000;

JSON

{
  "hex": "#e4ec66",
  "rgb": {
    "r": 228,
    "g": 236,
    "b": 102
  },
  "hsl": {
    "h": 63.582,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.9114,
    "c": 0.15649,
    "h": 112.3
  },
  "luminance": 0.77444
}

Semantic roles & 50–950 ramp

primary

#E4EC66

secondary

#4038BE

accent

#0BDA18

background

#FFFFFC

surface

#FEFEF5

border

#D6D6CF

text

#17160E

muted

#85857F

Preview Lab

Preview with #E4EC66

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

Preview Lab → · Contrast checker → · Palette generator →