#E3EE63#E3EE63

#E3EE63 is a very light, vivid yellow. Relative luminance 0.784; OKLCH L 91.5% C 0.161 H 113.4°. Best body text is #000000 at 16.68:1 contrast (WCAG AA passes).

Color values

HEX	#E3EE63
RGB	rgb(227, 238, 99)
HSL	hsl(65, 80%, 66%)
HSV	hsv(65, 58%, 93%)
CMYK	cmyk(4.6%, 0%, 58.4%, 6.7%)
CIE-LAB	lab(90.95, -21.61, 64.38)
CIE-LCH	lch(90.95, 67.91, 108.56°)
OKLab	oklab(91.46% -0.064 0.1482)
OKLCH	oklch(91.46% 0.161 113.4)
XYZ	xyz(64.5067, 78.3820, 23.5331)
Luminance	0.7838 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E3EE63 #6E63EE

analogous

#EEB363 #E3EE63 #9DEE63

triadic

#E3EE63 #63E3EE #EE63E3

tetradic

#E3EE63 #63EEB3 #6E63EE #EE639D

square

#E3EE63 #63EEB3 #6E63EE #EE639D

split-complementary

#E3EE63 #639DEE #B363EE

monochromatic

#B4C215 #D9E82C #E3EE63 #EDF49A #F7FAD1

Accessibility & contrast

On white

1.26

#E3EE63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.68

#E3EE63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E3EE63

16.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E3EE63	#FFFFFF	#000000	##000000
##E3EE63	1.00	1.26	16.68	16.68
#FFFFFF	1.26	1.00	21.00	21.00
#000000	16.68	21.00	1.00	1.00
##000000	16.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEE453

Deuteranopia (green-blind)

#FEE76C

Tritanopia (blue-blind)

#F1E1D0

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #e3ee63;
/* rgb */ color: rgb(227, 238, 99);
/* oklch */ color: oklch(91.5% 0.161 113.4);

Tailwind

colors: {
  custom: {
    50: '#eff394',
    500: '#e3ee63',
    950: '#000000',
  },
}

SCSS

$custom: #e3ee63;
$custom-light: #eff394;
$custom-dark: #000000;

JSON

{
  "hex": "#e3ee63",
  "rgb": {
    "r": 227,
    "g": 238,
    "b": 99
  },
  "hsl": {
    "h": 64.748,
    "s": 80.347,
    "l": 66.078
  },
  "oklch": {
    "l": 0.91455,
    "c": 0.16141,
    "h": 113.4
  },
  "luminance": 0.78381
}

Semantic roles & 50–950 ramp

primary

#E3EE63

secondary

#4136C0

accent

#09DD1A

background

#FFFFFC

surface

#FEFEF5

border

#D6D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #E3EE63

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

Preview Lab → · Contrast checker → · Palette generator →