#DEF663#DEF663

#DEF663 is a very light, vivid yellow. Relative luminance 0.823; OKLCH L 92.8% C 0.172 H 117.7°. Best body text is #000000 at 17.47:1 contrast (WCAG AA passes).

Color values

HEX	#DEF663
RGB	rgb(222, 246, 99)
HSL	hsl(70, 89%, 68%)
HSV	hsv(70, 60%, 96%)
CMYK	cmyk(9.8%, 0%, 59.8%, 3.5%)
CIE-LAB	lab(92.73, -27.38, 66.22)
CIE-LCH	lch(92.73, 71.66, 112.46°)
OKLab	oklab(92.79% -0.0799 0.1522)
OKLCH	oklch(92.79% 0.172 117.7)
XYZ	xyz(65.3332, 82.3426, 24.2539)
Luminance	0.8234 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#DEF663 #7B63F6

analogous

#F6C563 #DEF663 #94F663

triadic

#DEF663 #63DEF6 #F663DE

tetradic

#DEF663 #63F6C5 #7B63F6 #F66394

square

#DEF663 #63F6C5 #7B63F6 #F66394

split-complementary

#DEF663 #6394F6 #C563F6

monochromatic

#B2D20C #D2F329 #DEF663 #EAF99D #F6FDD7

Accessibility & contrast

On white

1.20

#DEF663 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.47

#DEF663 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #DEF663

17.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##DEF663	#FFFFFF	#000000	##000000
##DEF663	1.00	1.20	17.47	17.47
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.47	21.00	1.00	1.00
##000000	17.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA52

Deuteranopia (green-blind)

#FFEB6D

Tritanopia (blue-blind)

#EAEAD7

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #def663;
/* rgb */ color: rgb(222, 246, 99);
/* oklch */ color: oklch(92.8% 0.172 117.7);

Tailwind

colors: {
  custom: {
    50: '#ebf995',
    500: '#def663',
    950: '#000000',
  },
}

SCSS

$custom: #def663;
$custom-light: #ebf995;
$custom-dark: #000000;

JSON

{
  "hex": "#def663",
  "rgb": {
    "r": 222,
    "g": 246,
    "b": 99
  },
  "hsl": {
    "h": 69.796,
    "s": 89.091,
    "l": 67.647
  },
  "oklch": {
    "l": 0.92786,
    "c": 0.17189,
    "h": 117.7
  },
  "luminance": 0.82342
}

Semantic roles & 50–950 ramp

primary

#DEF663

secondary

#4930CE

accent

#00E625

background

#FFFFFC

surface

#FEFFF5

border

#D6D7CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #DEF663

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

Preview Lab → · Contrast checker → · Palette generator →