#E4F558#E4F558

#E4F558 is a very light, vivid yellow. Relative luminance 0.825; OKLCH L 92.9% C 0.177 H 115.2°. Best body text is #000000 at 17.50:1 contrast (WCAG AA passes).

Color values

HEX	#E4F558
RGB	rgb(228, 245, 88)
HSL	hsl(66, 89%, 65%)
HSV	hsv(66, 64%, 96%)
CMYK	cmyk(6.9%, 0%, 64.1%, 3.9%)
CIE-LAB	lab(92.80, -25.27, 70.83)
CIE-LCH	lch(92.80, 75.21, 109.64°)
OKLab	oklab(92.92% -0.0754 0.1604)
OKLCH	oklch(92.92% 0.177 115.2)
XYZ	xyz(66.4104, 82.5044, 21.6571)
Luminance	0.8250 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E4F558 #6958F5

analogous

#F5B858 #E4F558 #95F558

triadic

#E4F558 #58E4F5 #F558E4

tetradic

#E4F558 #58F5B8 #6958F5 #F55895

square

#E4F558 #58F5B8 #6958F5 #F55895

split-complementary

#E4F558 #5895F5 #B858F5

monochromatic

#B2C70C #DBF21E #E4F558 #EDF892 #F7FCCB

Accessibility & contrast

On white

1.20

#E4F558 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.50

#E4F558 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E4F558

17.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E4F558	#FFFFFF	#000000	##000000
##E4F558	1.00	1.20	17.50	17.50
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.50	21.00	1.00	1.00
##000000	17.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE943

Deuteranopia (green-blind)

#FFEC63

Tritanopia (blue-blind)

#F2E8D5

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #e4f558;
/* rgb */ color: rgb(228, 245, 88);
/* oklch */ color: oklch(92.9% 0.177 115.2);

Tailwind

colors: {
  custom: {
    50: '#f0f88e',
    500: '#e4f558',
    950: '#000000',
  },
}

SCSS

$custom: #e4f558;
$custom-light: #f0f88e;
$custom-dark: #000000;

JSON

{
  "hex": "#e4f558",
  "rgb": {
    "r": 228,
    "g": 245,
    "b": 88
  },
  "hsl": {
    "h": 66.497,
    "s": 88.701,
    "l": 65.294
  },
  "oklch": {
    "l": 0.92921,
    "c": 0.17721,
    "h": 115.2
  },
  "luminance": 0.82503
}

Semantic roles & 50–950 ramp

primary

#E4F558

secondary

#3E2EC3

accent

#00E519

background

#FFFFFC

surface

#FEFEF4

border

#D6D6CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #E4F558

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

Preview Lab → · Contrast checker → · Palette generator →