#E4EE63#E4EE63

#E4EE63 is a very light, vivid yellow. Relative luminance 0.785; OKLCH L 91.5% C 0.161 H 113.0°. Best body text is #000000 at 16.71:1 contrast (WCAG AA passes).

Color values

HEX	#E4EE63
RGB	rgb(228, 238, 99)
HSL	hsl(64, 80%, 66%)
HSV	hsv(64, 58%, 93%)
CMYK	cmyk(4.2%, 0%, 58.4%, 6.7%)
CIE-LAB	lab(91.03, -21.21, 64.48)
CIE-LCH	lch(91.03, 67.88, 108.21°)
OKLab	oklab(91.53% -0.0629 0.1484)
OKLCH	oklch(91.53% 0.161 113)
XYZ	xyz(64.8231, 78.5452, 23.5479)
Luminance	0.7854 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E4EE63 #6D63EE

analogous

#EEB363 #E4EE63 #9EEE63

triadic

#E4EE63 #63E4EE #EE63E4

tetradic

#E4EE63 #63EEB3 #6D63EE #EE639E

square

#E4EE63 #63EEB3 #6D63EE #EE639E

split-complementary

#E4EE63 #639EEE #B363EE

monochromatic

#B5C215 #DAE82C #E4EE63 #EEF49A #F7FAD1

Accessibility & contrast

On white

1.26

#E4EE63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.71

#E4EE63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E4EE63

16.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E4EE63	#FFFFFF	#000000	##000000
##E4EE63	1.00	1.26	16.71	16.71
#FFFFFF	1.26	1.00	21.00	21.00
#000000	16.71	21.00	1.00	1.00
##000000	16.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEE453

Deuteranopia (green-blind)

#FEE76B

Tritanopia (blue-blind)

#F2E1D0

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #e4ee63;
/* rgb */ color: rgb(228, 238, 99);
/* oklch */ color: oklch(91.5% 0.161 113.0);

Tailwind

colors: {
  custom: {
    50: '#eff394',
    500: '#e4ee63',
    950: '#000000',
  },
}

SCSS

$custom: #e4ee63;
$custom-light: #eff394;
$custom-dark: #000000;

JSON

{
  "hex": "#e4ee63",
  "rgb": {
    "r": 228,
    "g": 238,
    "b": 99
  },
  "hsl": {
    "h": 64.317,
    "s": 80.347,
    "l": 66.078
  },
  "oklch": {
    "l": 0.91533,
    "c": 0.16116,
    "h": 113
  },
  "luminance": 0.78544
}

Semantic roles & 50–950 ramp

primary

#E4EE63

secondary

#4036C0

accent

#09DD18

background

#FFFFFC

surface

#FEFEF5

border

#D6D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #E4EE63

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

Preview Lab → · Contrast checker → · Palette generator →