#E4EC63#E4EC63

#E4EC63 is a very light, vivid yellow. Relative luminance 0.774; OKLCH L 91.1% C 0.159 H 112.3°. Best body text is #000000 at 16.48:1 contrast (WCAG AA passes).

Color values

HEX	#E4EC63
RGB	rgb(228, 236, 99)
HSL	hsl(64, 78%, 66%)
HSV	hsv(64, 58%, 93%)
CMYK	cmyk(3.4%, 0%, 58.1%, 7.5%)
CIE-LAB	lab(90.50, -20.25, 63.90)
CIE-LCH	lch(90.50, 67.03, 107.58°)
OKLab	oklab(91.11% -0.0602 0.1471)
OKLCH	oklch(91.11% 0.159 112.3)
XYZ	xyz(64.2441, 77.3871, 23.3549)
Luminance	0.7739 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E4EC63 #6B63EC

analogous

#ECB063 #E4EC63 #9FEC63

triadic

#E4EC63 #63E4EC #EC63E4

tetradic

#E4EC63 #63ECB0 #6B63EC #EC639F

square

#E4EC63 #63ECB0 #6B63EC #EC639F

split-complementary

#E4EC63 #639FEC #B063EC

monochromatic

#B4BE17 #DBE52C #E4EC63 #EDF39A #F7F9D0

Accessibility & contrast

On white

1.27

#E4EC63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.48

#E4EC63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E4EC63

16.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E4EC63	#FFFFFF	#000000	##000000
##E4EC63	1.00	1.27	16.48	16.48
#FFFFFF	1.27	1.00	21.00	21.00
#000000	16.48	21.00	1.00	1.00
##000000	16.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCE254

Deuteranopia (green-blind)

#FDE56B

Tritanopia (blue-blind)

#F2DFCF

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #e4ec63;
/* rgb */ color: rgb(228, 236, 99);
/* oklch */ color: oklch(91.1% 0.159 112.3);

Tailwind

colors: {
  custom: {
    50: '#eff294',
    500: '#e4ec63',
    950: '#000000',
  },
}

SCSS

$custom: #e4ec63;
$custom-light: #eff294;
$custom-dark: #000000;

JSON

{
  "hex": "#e4ec63",
  "rgb": {
    "r": 228,
    "g": 236,
    "b": 99
  },
  "hsl": {
    "h": 63.504,
    "s": 78.286,
    "l": 65.686
  },
  "oklch": {
    "l": 0.9111,
    "c": 0.15898,
    "h": 112.3
  },
  "luminance": 0.77386
}

Semantic roles & 50–950 ramp

primary

#E4EC63

secondary

#3F37BC

accent

#0BDB17

background

#FFFFFC

surface

#FEFEF5

border

#D6D6CF

text

#17160E

muted

#85857F

Preview Lab

Preview with #E4EC63

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

Preview Lab → · Contrast checker → · Palette generator →