#E4F559#E4F559

#E4F559 is a very light, vivid yellow. Relative luminance 0.825; OKLCH L 92.9% C 0.176 H 115.2°. Best body text is #000000 at 17.50:1 contrast (WCAG AA passes).

Color values

HEX	#E4F559
RGB	rgb(228, 245, 89)
HSL	hsl(67, 89%, 65%)
HSV	hsv(67, 64%, 96%)
CMYK	cmyk(6.9%, 0%, 63.7%, 3.9%)
CIE-LAB	lab(92.80, -25.21, 70.45)
CIE-LCH	lch(92.80, 74.83, 109.69°)
OKLab	oklab(92.93% -0.0752 0.1597)
OKLCH	oklch(92.93% 0.176 115.2)
XYZ	xyz(66.4521, 82.5211, 21.8768)
Luminance	0.8252 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E4F559 #6A59F5

analogous

#F5B859 #E4F559 #96F559

triadic

#E4F559 #59E4F5 #F559E4

tetradic

#E4F559 #59F5B8 #6A59F5 #F55996

square

#E4F559 #59F5B8 #6A59F5 #F55996

split-complementary

#E4F559 #5996F5 #B859F5

monochromatic

#B3C80C #DBF21F #E4F559 #EDF893 #F7FCCC

Accessibility & contrast

On white

1.20

#E4F559 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.50

#E4F559 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E4F559

17.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E4F559	#FFFFFF	#000000	##000000
##E4F559	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)

#FFE944

Deuteranopia (green-blind)

#FFEC64

Tritanopia (blue-blind)

#F2E8D5

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #e4f559;
/* rgb */ color: rgb(228, 245, 89);
/* oklch */ color: oklch(92.9% 0.176 115.2);

Tailwind

colors: {
  custom: {
    50: '#f0f88f',
    500: '#e4f559',
    950: '#000000',
  },
}

SCSS

$custom: #e4f559;
$custom-light: #f0f88f;
$custom-dark: #000000;

JSON

{
  "hex": "#e4f559",
  "rgb": {
    "r": 228,
    "g": 245,
    "b": 89
  },
  "hsl": {
    "h": 66.538,
    "s": 88.636,
    "l": 65.49
  },
  "oklch": {
    "l": 0.92929,
    "c": 0.17649,
    "h": 115.2
  },
  "luminance": 0.8252
}

Semantic roles & 50–950 ramp

primary

#E4F559

secondary

#3E2EC4

accent

#00E519

background

#FFFFFC

surface

#FEFEF4

border

#D6D6CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #E4F559

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

Preview Lab → · Contrast checker → · Palette generator →