#E4F359#E4F359

#E4F359 is a very light, vivid yellow. Relative luminance 0.813; OKLCH L 92.5% C 0.174 H 114.6°. Best body text is #000000 at 17.26:1 contrast (WCAG AA passes).

Color values

HEX	#E4F359
RGB	rgb(228, 243, 89)
HSL	hsl(66, 87%, 65%)
HSV	hsv(66, 63%, 95%)
CMYK	cmyk(6.2%, 0%, 63.4%, 4.7%)
CIE-LAB	lab(92.27, -24.26, 69.90)
CIE-LCH	lch(92.27, 73.99, 109.14°)
OKLab	oklab(92.5% -0.0725 0.1585)
OKLCH	oklch(92.5% 0.174 114.6)
XYZ	xyz(65.8503, 81.3176, 21.6762)
Luminance	0.8132 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E4F359 #6859F3

analogous

#F3B559 #E4F359 #97F359

triadic

#E4F359 #59E4F3 #F359E4

tetradic

#E4F359 #59F3B5 #6859F3 #F35997

square

#E4F359 #59F3B5 #6859F3 #F35997

split-complementary

#E4F359 #5997F3 #B559F3

monochromatic

#B2C30E #DBEF20 #E4F359 #EDF792 #F7FBCB

Accessibility & contrast

On white

1.22

#E4F359 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.26

#E4F359 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E4F359

17.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E4F359	#FFFFFF	#000000	##000000
##E4F359	1.00	1.22	17.26	17.26
#FFFFFF	1.22	1.00	21.00	21.00
#000000	17.26	21.00	1.00	1.00
##000000	17.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE845

Deuteranopia (green-blind)

#FFEA64

Tritanopia (blue-blind)

#F2E6D3

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #e4f359;
/* rgb */ color: rgb(228, 243, 89);
/* oklch */ color: oklch(92.5% 0.174 114.6);

Tailwind

colors: {
  custom: {
    50: '#f0f68f',
    500: '#e4f359',
    950: '#000000',
  },
}

SCSS

$custom: #e4f359;
$custom-light: #f0f68f;
$custom-dark: #000000;

JSON

{
  "hex": "#e4f359",
  "rgb": {
    "r": 228,
    "g": 243,
    "b": 89
  },
  "hsl": {
    "h": 65.844,
    "s": 86.517,
    "l": 65.098
  },
  "oklch": {
    "l": 0.92503,
    "c": 0.17431,
    "h": 114.6
  },
  "luminance": 0.81316
}

Semantic roles & 50–950 ramp

primary

#E4F359

secondary

#3E2FC1

accent

#02E318

background

#FFFFFC

surface

#FEFEF4

border

#D6D6CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #E4F359

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

Preview Lab → · Contrast checker → · Palette generator →