#E9F866#E9F866

#E9F866 is a very light, vivid yellow. Relative luminance 0.854; OKLCH L 94.1% C 0.169 H 114.6°. Best body text is #000000 at 18.08:1 contrast (WCAG AA passes).

Color values

HEX	#E9F866
RGB	rgb(233, 248, 102)
HSL	hsl(66, 91%, 69%)
HSV	hsv(66, 59%, 97%)
CMYK	cmyk(6%, 0%, 58.9%, 2.7%)
CIE-LAB	lab(94.06, -23.80, 66.66)
CIE-LCH	lch(94.06, 70.78, 109.65°)
OKLab	oklab(94.06% -0.0702 0.1533)
OKLCH	oklch(94.06% 0.169 114.6)
XYZ	xyz(69.5715, 85.4189, 25.3903)
Luminance	0.8542 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E9F866 #7566F8

analogous

#F8BE66 #E9F866 #A0F866

triadic

#E9F866 #66E9F8 #F866E9

tetradic

#E9F866 #66F8BE #7566F8 #F866A0

square

#E9F866 #66F8BE #7566F8 #F866A0

split-complementary

#E9F866 #66A0F8 #BE66F8

monochromatic

#C4DA0A #E1F52B #E9F866 #F1FBA1 #FAFDDB

Accessibility & contrast

On white

1.16

#E9F866 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.08

#E9F866 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E9F866

18.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E9F866	#FFFFFF	#000000	##000000
##E9F866	1.00	1.16	18.08	18.08
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.08	21.00	1.00	1.00
##000000	18.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED55

Deuteranopia (green-blind)

#FFEF6F

Tritanopia (blue-blind)

#F7EBD9

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #e9f866;
/* rgb */ color: rgb(233, 248, 102);
/* oklch */ color: oklch(94.1% 0.169 114.6);

Tailwind

colors: {
  custom: {
    50: '#f3fa97',
    500: '#e9f866',
    950: '#000000',
  },
}

SCSS

$custom: #e9f866;
$custom-light: #f3fa97;
$custom-dark: #000000;

JSON

{
  "hex": "#e9f866",
  "rgb": {
    "r": 233,
    "g": 248,
    "b": 102
  },
  "hsl": {
    "h": 66.164,
    "s": 91.25,
    "l": 68.627
  },
  "oklch": {
    "l": 0.9406,
    "c": 0.16859,
    "h": 114.6
  },
  "luminance": 0.85418
}

Semantic roles & 50–950 ramp

primary

#E9F866

secondary

#4131D2

accent

#00E618

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #E9F866

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

Preview Lab → · Contrast checker → · Palette generator →