#E9FF56#E9FF56

#E9FF56 is a very light, vivid yellow. Relative luminance 0.895; OKLCH L 95.4% C 0.188 H 116.5°. Best body text is #000000 at 18.90:1 contrast (WCAG AA passes).

Color values

HEX	#E9FF56
RGB	rgb(233, 255, 86)
HSL	hsl(68, 100%, 67%)
HSV	hsv(68, 66%, 100%)
CMYK	cmyk(8.6%, 0%, 66.3%, 0%)
CIE-LAB	lab(95.80, -28.11, 74.79)
CIE-LCH	lch(95.80, 79.90, 110.60°)
OKLab	oklab(95.41% -0.0838 0.1683)
OKLCH	oklch(95.41% 0.188 116.5)
XYZ	xyz(71.0456, 89.5165, 22.3380)
Luminance	0.8952 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E9FF56 #6C56FF

analogous

#FFC156 #E9FF56 #94FF56

triadic

#E9FF56 #56E9FF #FF56E9

tetradic

#E9FF56 #56FFC1 #6C56FF #FF5694

square

#E9FF56 #56FFC1 #6C56FF #FF5694

split-complementary

#E9FF56 #5694FF #C156FF

monochromatic

#BEDB00 #E1FF19 #E9FF56 #F1FF93 #F9FFD0

Accessibility & contrast

On white

1.11

#E9FF56 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.90

#E9FF56 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E9FF56

18.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E9FF56	#FFFFFF	#000000	##000000
##E9FF56	1.00	1.11	18.90	18.90
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.90	21.00	1.00	1.00
##000000	18.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF23D

Deuteranopia (green-blind)

#FFF463

Tritanopia (blue-blind)

#F7F1DD

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #e9ff56;
/* rgb */ color: rgb(233, 255, 86);
/* oklch */ color: oklch(95.4% 0.188 116.5);

Tailwind

colors: {
  custom: {
    50: '#f3ff8e',
    500: '#e9ff56',
    950: '#000000',
  },
}

SCSS

$custom: #e9ff56;
$custom-light: #f3ff8e;
$custom-dark: #000000;

JSON

{
  "hex": "#e9ff56",
  "rgb": {
    "r": 233,
    "g": 255,
    "b": 86
  },
  "hsl": {
    "h": 67.811,
    "s": 100,
    "l": 66.863
  },
  "oklch": {
    "l": 0.9541,
    "c": 0.18799,
    "h": 116.5
  },
  "luminance": 0.89516
}

Semantic roles & 50–950 ramp

primary

#E9FF56

secondary

#3C25D4

accent

#00E61E

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #E9FF56

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

Preview Lab → · Contrast checker → · Palette generator →