#DEFF42#DEFF42

#DEFF42 is a very light, highly saturated yellow-green. Relative luminance 0.874; OKLCH L 94.5% C 0.203 H 119.3°. Best body text is #000000 at 18.49:1 contrast (WCAG AA passes).

Color values

HEX	#DEFF42
RGB	rgb(222, 255, 66)
HSL	hsl(70, 100%, 63%)
HSV	hsv(70, 74%, 100%)
CMYK	cmyk(12.9%, 0%, 74.1%, 0%)
CIE-LAB	lab(94.93, -33.43, 80.46)
CIE-LCH	lch(94.93, 87.13, 112.56°)
OKLab	oklab(94.49% -0.0997 0.1774)
OKLCH	oklch(94.49% 0.203 119.3)
XYZ	xyz(66.8690, 87.4434, 18.5087)
Luminance	0.8744 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#DEFF42 #6342FF

analogous

#FFC142 #DEFF42 #7FFF42

triadic

#DEFF42 #42DEFF #FF42DE

tetradic

#DEFF42 #42FFC1 #6342FF #FF427F

square

#DEFF42 #42FFC1 #6342FF #FF427F

split-complementary

#DEFF42 #427FFF #C142FF

monochromatic

#A4C700 #D3FF05 #DEFF42 #E9FF7F #F3FFBC

Accessibility & contrast

On white

1.14

#DEFF42 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.49

#DEFF42 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #DEFF42

18.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##DEFF42	#FFFFFF	#000000	##000000
##DEFF42	1.00	1.14	18.49	18.49
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.49	21.00	1.00	1.00
##000000	18.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF013

Deuteranopia (green-blind)

#FFF153

Tritanopia (blue-blind)

#EBF1DB

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #deff42;
/* rgb */ color: rgb(222, 255, 66);
/* oklch */ color: oklch(94.5% 0.203 119.3);

Tailwind

colors: {
  custom: {
    50: '#ecff84',
    500: '#deff42',
    950: '#000000',
  },
}

SCSS

$custom: #deff42;
$custom-light: #ecff84;
$custom-dark: #000000;

JSON

{
  "hex": "#deff42",
  "rgb": {
    "r": 222,
    "g": 255,
    "b": 66
  },
  "hsl": {
    "h": 70.476,
    "s": 100,
    "l": 62.941
  },
  "oklch": {
    "l": 0.94485,
    "c": 0.20348,
    "h": 119.3
  },
  "luminance": 0.87443
}

Semantic roles & 50–950 ramp

primary

#DEFF42

secondary

#3E22C3

accent

#00E628

background

#FFFFFC

surface

#FEFFF4

border

#D6D7CE

text

#17180C

muted

#85867F

Preview Lab

Preview with #DEFF42

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

Preview Lab → · Contrast checker → · Palette generator →