#E9FC66#E9FC66

#E9FC66 is a very light, vivid yellow. Relative luminance 0.879; OKLCH L 94.9% C 0.173 H 115.9°. Best body text is #000000 at 18.58:1 contrast (WCAG AA passes).

Color values

HEX	#E9FC66
RGB	rgb(233, 252, 102)
HSL	hsl(68, 96%, 69%)
HSV	hsv(68, 60%, 99%)
CMYK	cmyk(7.5%, 0%, 59.5%, 1.2%)
CIE-LAB	lab(95.12, -25.69, 67.82)
CIE-LCH	lch(95.12, 72.52, 110.75°)
OKLab	oklab(94.91% -0.0755 0.1557)
OKLCH	oklch(94.91% 0.173 115.9)
XYZ	xyz(70.8144, 87.9047, 25.8046)
Luminance	0.8790 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E9FC66 #7966FC

analogous

#FCC466 #E9FC66 #9EFC66

triadic

#E9FC66 #66E9FC #FC66E9

tetradic

#E9FC66 #66FCC4 #7966FC #FC669E

square

#E9FC66 #66FCC4 #7966FC #FC669E

split-complementary

#E9FC66 #669EFC #C466FC

monochromatic

#C7E304 #E0FB2A #E9FC66 #F2FDA2 #FAFEDE

Accessibility & contrast

On white

1.13

#E9FC66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.58

#E9FC66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E9FC66

18.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E9FC66	#FFFFFF	#000000	##000000
##E9FC66	1.00	1.13	18.58	18.58
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.58	21.00	1.00	1.00
##000000	18.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF055

Deuteranopia (green-blind)

#FFF270

Tritanopia (blue-blind)

#F6EFDC

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #e9fc66;
/* rgb */ color: rgb(233, 252, 102);
/* oklch */ color: oklch(94.9% 0.173 115.9);

Tailwind

colors: {
  custom: {
    50: '#f3fd97',
    500: '#e9fc66',
    950: '#000000',
  },
}

SCSS

$custom: #e9fc66;
$custom-light: #f3fd97;
$custom-dark: #000000;

JSON

{
  "hex": "#e9fc66",
  "rgb": {
    "r": 233,
    "g": 252,
    "b": 102
  },
  "hsl": {
    "h": 67.6,
    "s": 96.154,
    "l": 69.412
  },
  "oklch": {
    "l": 0.94908,
    "c": 0.17308,
    "h": 115.9
  },
  "luminance": 0.87904
}

Semantic roles & 50–950 ramp

primary

#E9FC66

secondary

#4530D6

accent

#00E61D

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #E9FC66

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

Preview Lab → · Contrast checker → · Palette generator →