#E9FF66#E9FF66

#E9FF66 is a very light, vivid yellow. Relative luminance 0.898; OKLCH L 95.5% C 0.176 H 116.8°. Best body text is #000000 at 18.96:1 contrast (WCAG AA passes).

Color values

HEX	#E9FF66
RGB	rgb(233, 255, 102)
HSL	hsl(69, 100%, 70%)
HSV	hsv(69, 60%, 100%)
CMYK	cmyk(8.6%, 0%, 60%, 0%)
CIE-LAB	lab(95.92, -27.10, 68.69)
CIE-LCH	lch(95.92, 73.84, 111.53°)
OKLab	oklab(95.55% -0.0795 0.1576)
OKLCH	oklch(95.55% 0.176 116.8)
XYZ	xyz(71.7639, 89.8038, 26.1211)
Luminance	0.8980 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E9FF66 #7C66FF

analogous

#FFC866 #E9FF66 #9DFF66

triadic

#E9FF66 #66E9FF #FF66E9

tetradic

#E9FF66 #66FFC8 #7C66FF #FF669D

square

#E9FF66 #66FFC8 #7C66FF #FF669D

split-complementary

#E9FF66 #669DFF #C866FF

monochromatic

#C9EB00 #E0FF29 #E9FF66 #F2FFA3 #FBFFE0

Accessibility & contrast

On white

1.11

#E9FF66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.96

#E9FF66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E9FF66

18.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E9FF66	#FFFFFF	#000000	##000000
##E9FF66	1.00	1.11	18.96	18.96
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.96	21.00	1.00	1.00
##000000	18.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF354

Deuteranopia (green-blind)

#FFF470

Tritanopia (blue-blind)

#F6F2DF

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #e9ff66;
/* rgb */ color: rgb(233, 255, 102);
/* oklch */ color: oklch(95.5% 0.176 116.8);

Tailwind

colors: {
  custom: {
    50: '#f3ff97',
    500: '#e9ff66',
    950: '#000000',
  },
}

SCSS

$custom: #e9ff66;
$custom-light: #f3ff97;
$custom-dark: #000000;

JSON

{
  "hex": "#e9ff66",
  "rgb": {
    "r": 233,
    "g": 255,
    "b": 102
  },
  "hsl": {
    "h": 68.627,
    "s": 100,
    "l": 70
  },
  "oklch": {
    "l": 0.95545,
    "c": 0.17647,
    "h": 116.8
  },
  "luminance": 0.89803
}

Semantic roles & 50–950 ramp

primary

#E9FF66

secondary

#482FDA

accent

#00E621

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #E9FF66

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

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