#E3FE66#E3FE66

#E3FE66 is a very light, vivid yellow-green. Relative luminance 0.882; OKLCH L 94.9% C 0.177 H 118.4°. Best body text is #000000 at 18.63:1 contrast (WCAG AA passes).

Color values

HEX	#E3FE66
RGB	rgb(227, 254, 102)
HSL	hsl(71, 99%, 70%)
HSV	hsv(71, 60%, 100%)
CMYK	cmyk(10.6%, 0%, 59.8%, 0.4%)
CIE-LAB	lab(95.23, -28.96, 67.82)
CIE-LCH	lch(95.23, 73.75, 113.12°)
OKLab	oklab(94.89% -0.0844 0.1558)
OKLCH	oklch(94.89% 0.177 118.4)
XYZ	xyz(69.5198, 88.1744, 25.9248)
Luminance	0.8817 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E3FE66 #8166FE

analogous

#FECD66 #E3FE66 #97FE66

triadic

#E3FE66 #66E3FE #FE66E3

tetradic

#E3FE66 #66FECD #8166FE #FE6697

square

#E3FE66 #66FECD #8166FE #FE6697

split-complementary

#E3FE66 #6697FE #CD66FE

monochromatic

#BFE802 #D8FE29 #E3FE66 #EEFEA3 #F9FFE0

Accessibility & contrast

On white

1.13

#E3FE66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.63

#E3FE66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E3FE66

18.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E3FE66	#FFFFFF	#000000	##000000
##E3FE66	1.00	1.13	18.63	18.63
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.63	21.00	1.00	1.00
##000000	18.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF154

Deuteranopia (green-blind)

#FFF270

Tritanopia (blue-blind)

#EFF1DE

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #e3fe66;
/* rgb */ color: rgb(227, 254, 102);
/* oklch */ color: oklch(94.9% 0.177 118.4);

Tailwind

colors: {
  custom: {
    50: '#effe97',
    500: '#e3fe66',
    950: '#000000',
  },
}

SCSS

$custom: #e3fe66;
$custom-light: #effe97;
$custom-dark: #000000;

JSON

{
  "hex": "#e3fe66",
  "rgb": {
    "r": 227,
    "g": 254,
    "b": 102
  },
  "hsl": {
    "h": 70.658,
    "s": 98.701,
    "l": 69.804
  },
  "oklch": {
    "l": 0.94894,
    "c": 0.17721,
    "h": 118.4
  },
  "luminance": 0.88174
}

Semantic roles & 50–950 ramp

primary

#E3FE66

secondary

#4D2FD9

accent

#00E629

background

#FFFFFC

surface

#FEFFF5

border

#D6D7CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #E3FE66

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

Preview Lab → · Contrast checker → · Palette generator →