#DEFF51#DEFF51

#DEFF51 is a very light, vivid yellow-green. Relative luminance 0.876; OKLCH L 94.6% C 0.195 H 119.6°. Best body text is #000000 at 18.53:1 contrast (WCAG AA passes).

Color values

HEX	#DEFF51
RGB	rgb(222, 255, 81)
HSL	hsl(71, 100%, 66%)
HSV	hsv(71, 68%, 100%)
CMYK	cmyk(12.9%, 0%, 68.2%, 0%)
CIE-LAB	lab(95.01, -32.69, 75.57)
CIE-LCH	lch(95.01, 82.34, 113.39°)
OKLab	oklab(94.58% -0.0964 0.1694)
OKLCH	oklch(94.58% 0.195 119.6)
XYZ	xyz(67.3706, 87.6440, 21.1508)
Luminance	0.8764 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#DEFF51 #7251FF

analogous

#FFC951 #DEFF51 #87FF51

triadic

#DEFF51 #51DEFF #FF51DE

tetradic

#DEFF51 #51FFC9 #7251FF #FF5187

square

#DEFF51 #51FFC9 #7251FF #FF5187

split-complementary

#DEFF51 #5187FF #C951FF

monochromatic

#ADD600 #D2FF14 #DEFF51 #EAFF8E #F5FFCB

Accessibility & contrast

On white

1.13

#DEFF51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.53

#DEFF51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #DEFF51

18.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##DEFF51	#FFFFFF	#000000	##000000
##DEFF51	1.00	1.13	18.53	18.53
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.53	21.00	1.00	1.00
##000000	18.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF135

Deuteranopia (green-blind)

#FFF15F

Tritanopia (blue-blind)

#EAF2DD

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #deff51;
/* rgb */ color: rgb(222, 255, 81);
/* oklch */ color: oklch(94.6% 0.195 119.6);

Tailwind

colors: {
  custom: {
    50: '#ecff8b',
    500: '#deff51',
    950: '#000000',
  },
}

SCSS

$custom: #deff51;
$custom-light: #ecff8b;
$custom-dark: #000000;

JSON

{
  "hex": "#deff51",
  "rgb": {
    "r": 222,
    "g": 255,
    "b": 81
  },
  "hsl": {
    "h": 71.379,
    "s": 100,
    "l": 65.882
  },
  "oklch": {
    "l": 0.9458,
    "c": 0.19492,
    "h": 119.6
  },
  "luminance": 0.87644
}

Semantic roles & 50–950 ramp

primary

#DEFF51

secondary

#4525D0

accent

#00E62C

background

#FFFFFC

surface

#FEFFF4

border

#D6D7CE

text

#17180D

muted

#85867F

Preview Lab

Preview with #DEFF51

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

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