#E3FB66#E3FB66

#E3FB66 is a very light, vivid yellow. Relative luminance 0.863; OKLCH L 94.3% C 0.174 H 117.6°. Best body text is #000000 at 18.26:1 contrast (WCAG AA passes).

Color values

HEX	#E3FB66
RGB	rgb(227, 251, 102)
HSL	hsl(70, 95%, 69%)
HSV	hsv(70, 59%, 98%)
CMYK	cmyk(9.6%, 0%, 59.4%, 1.6%)
CIE-LAB	lab(94.43, -27.56, 66.95)
CIE-LCH	lch(94.43, 72.40, 112.38°)
OKLab	oklab(94.25% -0.0804 0.154)
OKLCH	oklch(94.25% 0.174 117.6)
XYZ	xyz(68.5752, 86.2852, 25.6100)
Luminance	0.8629 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E3FB66 #7E66FB

analogous

#FBC866 #E3FB66 #99FB66

triadic

#E3FB66 #66E3FB #FB66E3

tetradic

#E3FB66 #66FBC8 #7E66FB #FB6699

square

#E3FB66 #66FBC8 #7E66FB #FB6699

split-complementary

#E3FB66 #6699FB #C866FB

monochromatic

#BDE106 #D8F92A #E3FB66 #EEFDA2 #F9FEDD

Accessibility & contrast

On white

1.15

#E3FB66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.26

#E3FB66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E3FB66

18.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E3FB66	#FFFFFF	#000000	##000000
##E3FB66	1.00	1.15	18.26	18.26
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.26	21.00	1.00	1.00
##000000	18.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF55

Deuteranopia (green-blind)

#FFF070

Tritanopia (blue-blind)

#EFEEDB

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #e3fb66;
/* rgb */ color: rgb(227, 251, 102);
/* oklch */ color: oklch(94.3% 0.174 117.6);

Tailwind

colors: {
  custom: {
    50: '#effc97',
    500: '#e3fb66',
    950: '#000000',
  },
}

SCSS

$custom: #e3fb66;
$custom-light: #effc97;
$custom-dark: #000000;

JSON

{
  "hex": "#e3fb66",
  "rgb": {
    "r": 227,
    "g": 251,
    "b": 102
  },
  "hsl": {
    "h": 69.664,
    "s": 94.904,
    "l": 69.216
  },
  "oklch": {
    "l": 0.94252,
    "c": 0.17373,
    "h": 117.6
  },
  "luminance": 0.86285
}

Semantic roles & 50–950 ramp

primary

#E3FB66

secondary

#4B30D5

accent

#00E625

background

#FFFFFC

surface

#FEFFF5

border

#D6D7CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #E3FB66

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

Preview Lab → · Contrast checker → · Palette generator →