#E5FF54#E5FF54

#E5FF54 is a very light, vivid yellow. Relative luminance 0.888; OKLCH L 95.1% C 0.191 H 117.7°. Best body text is #000000 at 18.76:1 contrast (WCAG AA passes).

Color values

HEX	#E5FF54
RGB	rgb(229, 255, 84)
HSL	hsl(69, 100%, 66%)
HSV	hsv(69, 67%, 100%)
CMYK	cmyk(10.2%, 0%, 67.1%, 0%)
CIE-LAB	lab(95.50, -29.79, 75.14)
CIE-LCH	lch(95.50, 80.83, 111.63°)
OKLab	oklab(95.1% -0.0885 0.1688)
OKLCH	oklch(95.1% 0.191 117.7)
XYZ	xyz(69.6748, 88.8188, 21.8591)
Luminance	0.8882 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E5FF54 #6E54FF

analogous

#FFC454 #E5FF54 #90FF54

triadic

#E5FF54 #54E5FF #FF54E5

tetradic

#E5FF54 #54FFC4 #6E54FF #FF5490

square

#E5FF54 #54FFC4 #6E54FF #FF5490

split-complementary

#E5FF54 #5490FF #C454FF

monochromatic

#B8D900 #DCFF17 #E5FF54 #EEFF91 #F8FFCE

Accessibility & contrast

On white

1.12

#E5FF54 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.76

#E5FF54 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E5FF54

18.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E5FF54	#FFFFFF	#000000	##000000
##E5FF54	1.00	1.12	18.76	18.76
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.76	21.00	1.00	1.00
##000000	18.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF23A

Deuteranopia (green-blind)

#FFF361

Tritanopia (blue-blind)

#F2F1DD

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #e5ff54;
/* rgb */ color: rgb(229, 255, 84);
/* oklch */ color: oklch(95.1% 0.191 117.7);

Tailwind

colors: {
  custom: {
    50: '#f1ff8d',
    500: '#e5ff54',
    950: '#000000',
  },
}

SCSS

$custom: #e5ff54;
$custom-light: #f1ff8d;
$custom-dark: #000000;

JSON

{
  "hex": "#e5ff54",
  "rgb": {
    "r": 229,
    "g": 255,
    "b": 84
  },
  "hsl": {
    "h": 69.123,
    "s": 100,
    "l": 66.471
  },
  "oklch": {
    "l": 0.95103,
    "c": 0.19058,
    "h": 117.7
  },
  "luminance": 0.88818
}

Semantic roles & 50–950 ramp

primary

#E5FF54

secondary

#3F25D2

accent

#00E623

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #E5FF54

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

Preview Lab → · Contrast checker → · Palette generator →