#DEFF99#DEFF99

#DEFF99 is a very light, vivid yellow-green. Relative luminance 0.893; OKLCH L 95.4% C 0.132 H 123.5°. Best body text is #000000 at 18.87:1 contrast (WCAG AA passes).

Color values

HEX	#DEFF99
RGB	rgb(222, 255, 153)
HSL	hsl(79, 100%, 80%)
HSV	hsv(79, 40%, 100%)
CMYK	cmyk(12.9%, 0%, 40%, 0%)
CIE-LAB	lab(95.73, -26.56, 45.21)
CIE-LCH	lch(95.73, 52.44, 120.43°)
OKLab	oklab(95.39% -0.0732 0.1104)
OKLCH	oklch(95.39% 0.132 123.5)
XYZ	xyz(71.6337, 89.3493, 43.6031)
Luminance	0.8935 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Yellowish Green

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#DEFF99 #BA99FF

analogous

#FFED99 #DEFF99 #ABFF99

triadic

#DEFF99 #99DEFF #FF99DE

tetradic

#DEFF99 #99FFED #BA99FF #FF99AB

square

#DEFF99 #99FFED #BA99FF #FF99AB

split-complementary

#DEFF99 #99ABFF #ED99FF

monochromatic

#B6FF1F #CAFF5C #DEFF99 #F2FFD6 #F5FFE0

Accessibility & contrast

On white

1.11

#DEFF99 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.87

#DEFF99 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #DEFF99

18.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##DEFF99	#FFFFFF	#000000	##000000
##DEFF99	1.00	1.11	18.87	18.87
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.87	21.00	1.00	1.00
##000000	18.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF491

Deuteranopia (green-blind)

#FFF39E

Tritanopia (blue-blind)

#E5F6E6

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #deff99;
/* rgb */ color: rgb(222, 255, 153);
/* oklch */ color: oklch(95.4% 0.132 123.5);

Tailwind

colors: {
  custom: {
    50: '#e9ffb8',
    500: '#deff99',
    950: '#000000',
  },
}

SCSS

$custom: #deff99;
$custom-light: #e9ffb8;
$custom-dark: #000000;

JSON

{
  "hex": "#deff99",
  "rgb": {
    "r": 222,
    "g": 255,
    "b": 153
  },
  "hsl": {
    "h": 79.412,
    "s": 100,
    "l": 80
  },
  "oklch": {
    "l": 0.95386,
    "c": 0.13248,
    "h": 123.5
  },
  "luminance": 0.8935
}

Semantic roles & 50–950 ramp

primary

#DEFF99

secondary

#865AE2

accent

#00E64A

background

#FEFFFD

surface

#FDFFF8

border

#D5D7D1

text

#161811

muted

#848681

Preview Lab

Preview with #DEFF99

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

Preview Lab → · Contrast checker → · Palette generator →