#E4EF55#E4EF55

#E4EF55 is a very light, vivid yellow. Relative luminance 0.789; OKLCH L 91.6% C 0.173 H 113.3°. Best body text is #000000 at 16.78:1 contrast (WCAG AA passes).

Color values

HEX	#E4EF55
RGB	rgb(228, 239, 85)
HSL	hsl(64, 83%, 64%)
HSV	hsv(64, 64%, 94%)
CMYK	cmyk(4.6%, 0%, 64.4%, 6.3%)
CIE-LAB	lab(91.18, -22.60, 70.32)
CIE-LCH	lch(91.18, 73.86, 107.82°)
OKLab	oklab(91.62% -0.0682 0.1588)
OKLCH	oklch(91.62% 0.173 113.3)
XYZ	xyz(64.5028, 78.8842, 20.4208)
Luminance	0.7888 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E4EF55 #6055EF

analogous

#EFAD55 #E4EF55 #97EF55

triadic

#E4EF55 #55E4EF #EF55E4

tetradic

#E4EF55 #55EFAD #6055EF #EF5597

square

#E4EF55 #55EFAD #6055EF #EF5597

split-complementary

#E4EF55 #5597EF #AD55EF

monochromatic

#ACB811 #DBEA1D #E4EF55 #EDF48D #F6FAC5

Accessibility & contrast

On white

1.25

#E4EF55 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.78

#E4EF55 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E4EF55

16.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E4EF55	#FFFFFF	#000000	##000000
##E4EF55	1.00	1.25	16.78	16.78
#FFFFFF	1.25	1.00	21.00	21.00
#000000	16.78	21.00	1.00	1.00
##000000	16.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE440

Deuteranopia (green-blind)

#FFE760

Tritanopia (blue-blind)

#F2E1D0

Achromatopsia (no color)

#E6E6E6

Design tokens & code

CSS

--color: #e4ef55;
/* rgb */ color: rgb(228, 239, 85);
/* oklch */ color: oklch(91.6% 0.173 113.3);

Tailwind

colors: {
  custom: {
    50: '#f0f48c',
    500: '#e4ef55',
    950: '#000000',
  },
}

SCSS

$custom: #e4ef55;
$custom-light: #f0f48c;
$custom-dark: #000000;

JSON

{
  "hex": "#e4ef55",
  "rgb": {
    "r": 228,
    "g": 239,
    "b": 85
  },
  "hsl": {
    "h": 64.286,
    "s": 82.796,
    "l": 63.529
  },
  "oklch": {
    "l": 0.9162,
    "c": 0.17286,
    "h": 113.3
  },
  "luminance": 0.78883
}

Semantic roles & 50–950 ramp

primary

#E4EF55

secondary

#3A31B7

accent

#06DF16

background

#FFFFFC

surface

#FEFEF4

border

#D6D6CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #E4EF55

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

Preview Lab → · Contrast checker → · Palette generator →