#DEF178#DEF178

#DEF178 is a very light, vivid yellow. Relative luminance 0.798; OKLCH L 91.9% C 0.148 H 116.8°. Best body text is #000000 at 16.96:1 contrast (WCAG AA passes).

Color values

HEX	#DEF178
RGB	rgb(222, 241, 120)
HSL	hsl(69, 81%, 71%)
HSV	hsv(69, 50%, 95%)
CMYK	cmyk(7.9%, 0%, 50.2%, 5.5%)
CIE-LAB	lab(91.59, -23.32, 55.73)
CIE-LCH	lch(91.59, 60.41, 112.70°)
OKLab	oklab(91.94% -0.0665 0.1318)
OKLCH	oklch(91.94% 0.148 116.8)
XYZ	xyz(64.9705, 79.7969, 29.7453)
Luminance	0.7980 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#DEF178 #8B78F1

analogous

#F1C778 #DEF178 #A1F178

triadic

#DEF178 #78DEF1 #F178DE

tetradic

#DEF178 #78F1C7 #8B78F1 #F178A1

square

#DEF178 #78F1C7 #8B78F1 #F178A1

split-complementary

#DEF178 #78A1F1 #C778F1

monochromatic

#BAD816 #D0EB41 #DEF178 #ECF7AF #F8FCE3

Accessibility & contrast

On white

1.24

#DEF178 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.96

#DEF178 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #DEF178

16.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##DEF178	#FFFFFF	#000000	##000000
##DEF178	1.00	1.24	16.96	16.96
#FFFFFF	1.24	1.00	21.00	21.00
#000000	16.96	21.00	1.00	1.00
##000000	16.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE66D

Deuteranopia (green-blind)

#FDE87F

Tritanopia (blue-blind)

#E9E6D5

Achromatopsia (no color)

#E7E7E7

Design tokens & code

CSS

--color: #def178;
/* rgb */ color: rgb(222, 241, 120);
/* oklch */ color: oklch(91.9% 0.148 116.8);

Tailwind

colors: {
  custom: {
    50: '#eaf5a2',
    500: '#def178',
    950: '#000000',
  },
}

SCSS

$custom: #def178;
$custom-light: #eaf5a2;
$custom-dark: #000000;

JSON

{
  "hex": "#def178",
  "rgb": {
    "r": 222,
    "g": 241,
    "b": 120
  },
  "hsl": {
    "h": 69.421,
    "s": 81.208,
    "l": 70.784
  },
  "oklch": {
    "l": 0.91943,
    "c": 0.14764,
    "h": 116.8
  },
  "luminance": 0.79796
}

Semantic roles & 50–950 ramp

primary

#DEF178

secondary

#5842CB

accent

#08DE29

background

#FFFFFC

surface

#FEFEF6

border

#D6D6D0

text

#16170F

muted

#858580

Preview Lab

Preview with #DEF178

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

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