#DEF366#DEF366

#DEF366 is a very light, vivid yellow. Relative luminance 0.806; OKLCH L 92.2% C 0.166 H 116.9°. Best body text is #000000 at 17.12:1 contrast (WCAG AA passes).

Color values

HEX	#DEF366
RGB	rgb(222, 243, 102)
HSL	hsl(69, 85%, 68%)
HSV	hsv(69, 58%, 95%)
CMYK	cmyk(8.6%, 0%, 58%, 4.7%)
CIE-LAB	lab(91.95, -25.75, 64.11)
CIE-LCH	lch(91.95, 69.08, 111.88°)
OKLab	oklab(92.17% -0.0751 0.148)
OKLCH	oklch(92.17% 0.166 116.9)
XYZ	xyz(64.5742, 80.5908, 24.7216)
Luminance	0.8059 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#DEF366 #7B66F3

analogous

#F3C166 #DEF366 #98F366

triadic

#DEF366 #66DEF3 #F366DE

tetradic

#DEF366 #66F3C1 #7B66F3 #F36698

square

#DEF366 #66F3C1 #7B66F3 #F36698

split-complementary

#DEF366 #6698F3 #C166F3

monochromatic

#B2CE10 #D2EF2D #DEF366 #EAF79F #F6FCD7

Accessibility & contrast

On white

1.23

#DEF366 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.12

#DEF366 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #DEF366

17.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##DEF366	#FFFFFF	#000000	##000000
##DEF366	1.00	1.23	17.12	17.12
#FFFFFF	1.23	1.00	21.00	21.00
#000000	17.12	21.00	1.00	1.00
##000000	17.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE756

Deuteranopia (green-blind)

#FFE96F

Tritanopia (blue-blind)

#EAE7D5

Achromatopsia (no color)

#E8E8E8

Design tokens & code

CSS

--color: #def366;
/* rgb */ color: rgb(222, 243, 102);
/* oklch */ color: oklch(92.2% 0.166 116.9);

Tailwind

colors: {
  custom: {
    50: '#ebf797',
    500: '#def366',
    950: '#000000',
  },
}

SCSS

$custom: #def366;
$custom-light: #ebf797;
$custom-dark: #000000;

JSON

{
  "hex": "#def366",
  "rgb": {
    "r": 222,
    "g": 243,
    "b": 102
  },
  "hsl": {
    "h": 68.936,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.92171,
    "c": 0.16599,
    "h": 116.9
  },
  "luminance": 0.8059
}

Semantic roles & 50–950 ramp

primary

#DEF366

secondary

#4933CA

accent

#04E225

background

#FFFFFC

surface

#FEFEF5

border

#D6D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #DEF366

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

Preview Lab → · Contrast checker → · Palette generator →