#E3F663#E3F663

#E3F663 is a very light, vivid yellow. Relative luminance 0.831; OKLCH L 93.2% C 0.170 H 116.0°. Best body text is #000000 at 17.63:1 contrast (WCAG AA passes).

Color values

HEX	#E3F663
RGB	rgb(227, 246, 99)
HSL	hsl(68, 89%, 68%)
HSV	hsv(68, 60%, 96%)
CMYK	cmyk(7.7%, 0%, 59.8%, 3.5%)
CIE-LAB	lab(93.08, -25.42, 66.71)
CIE-LCH	lch(93.08, 71.39, 110.86°)
OKLab	oklab(93.16% -0.0747 0.1531)
OKLCH	oklch(93.16% 0.17 116)
XYZ	xyz(66.8878, 83.1442, 24.3268)
Luminance	0.8314 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E3F663 #7663F6

analogous

#F6BF63 #E3F663 #9AF663

triadic

#E3F663 #63E3F6 #F663E3

tetradic

#E3F663 #63F6BF #7663F6 #F6639A

square

#E3F663 #63F6BF #7663F6 #F6639A

split-complementary

#E3F663 #639AF6 #BF63F6

monochromatic

#B9D20C #D9F329 #E3F663 #EDF99D #F8FDD7

Accessibility & contrast

On white

1.19

#E3F663 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.63

#E3F663 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E3F663

17.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E3F663	#FFFFFF	#000000	##000000
##E3F663	1.00	1.19	17.63	17.63
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.63	21.00	1.00	1.00
##000000	17.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA52

Deuteranopia (green-blind)

#FFEC6C

Tritanopia (blue-blind)

#F0E9D7

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #e3f663;
/* rgb */ color: rgb(227, 246, 99);
/* oklch */ color: oklch(93.2% 0.170 116.0);

Tailwind

colors: {
  custom: {
    50: '#eff995',
    500: '#e3f663',
    950: '#000000',
  },
}

SCSS

$custom: #e3f663;
$custom-light: #eff995;
$custom-dark: #000000;

JSON

{
  "hex": "#e3f663",
  "rgb": {
    "r": 227,
    "g": 246,
    "b": 99
  },
  "hsl": {
    "h": 67.755,
    "s": 89.091,
    "l": 67.647
  },
  "oklch": {
    "l": 0.93156,
    "c": 0.17037,
    "h": 116
  },
  "luminance": 0.83143
}

Semantic roles & 50–950 ramp

primary

#E3F663

secondary

#4430CE

accent

#00E61E

background

#FFFFFC

surface

#FEFFF5

border

#D6D7CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #E3F663

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

Preview Lab → · Contrast checker → · Palette generator →