#DEF166#DEF166

#DEF166 is a very light, vivid yellow. Relative luminance 0.794; OKLCH L 91.7% C 0.164 H 116.3°. Best body text is #000000 at 16.88:1 contrast (WCAG AA passes).

Color values

HEX	#DEF166
RGB	rgb(222, 241, 102)
HSL	hsl(68, 83%, 67%)
HSV	hsv(68, 58%, 95%)
CMYK	cmyk(7.9%, 0%, 57.7%, 5.5%)
CIE-LAB	lab(91.42, -24.80, 63.51)
CIE-LCH	lch(91.42, 68.18, 111.33°)
OKLab	oklab(91.74% -0.0724 0.1468)
OKLCH	oklch(91.74% 0.164 116.3)
XYZ	xyz(63.9790, 79.4003, 24.5232)
Luminance	0.7940 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#DEF166 #7966F1

analogous

#F1BE66 #DEF166 #99F166

triadic

#DEF166 #66DEF1 #F166DE

tetradic

#DEF166 #66F1BE #7966F1 #F16699

square

#DEF166 #66F1BE #7966F1 #F16699

split-complementary

#DEF166 #6699F1 #BE66F1

monochromatic

#B1CA12 #D2EC2E #DEF166 #EAF69E #F6FBD6

Accessibility & contrast

On white

1.24

#DEF166 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.88

#DEF166 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #DEF166

16.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##DEF166	#FFFFFF	#000000	##000000
##DEF166	1.00	1.24	16.88	16.88
#FFFFFF	1.24	1.00	21.00	21.00
#000000	16.88	21.00	1.00	1.00
##000000	16.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE657

Deuteranopia (green-blind)

#FEE76F

Tritanopia (blue-blind)

#EAE5D3

Achromatopsia (no color)

#E6E6E6

Design tokens & code

CSS

--color: #def166;
/* rgb */ color: rgb(222, 241, 102);
/* oklch */ color: oklch(91.7% 0.164 116.3);

Tailwind

colors: {
  custom: {
    50: '#ebf596',
    500: '#def166',
    950: '#000000',
  },
}

SCSS

$custom: #def166;
$custom-light: #ebf596;
$custom-dark: #000000;

JSON

{
  "hex": "#def166",
  "rgb": {
    "r": 222,
    "g": 241,
    "b": 102
  },
  "hsl": {
    "h": 68.201,
    "s": 83.234,
    "l": 67.255
  },
  "oklch": {
    "l": 0.91743,
    "c": 0.16366,
    "h": 116.3
  },
  "luminance": 0.79399
}

Semantic roles & 50–950 ramp

primary

#DEF166

secondary

#4834C7

accent

#06E024

background

#FFFFFC

surface

#FEFEF5

border

#D6D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #DEF166

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

Preview Lab → · Contrast checker → · Palette generator →