#E4FF3E#E4FF3E

#E4FF3E is a very light, highly saturated yellow. Relative luminance 0.884; OKLCH L 94.9% C 0.203 H 117.6°. Best body text is #000000 at 18.67:1 contrast (WCAG AA passes).

Color values

HEX	#E4FF3E
RGB	rgb(228, 255, 62)
HSL	hsl(68, 100%, 62%)
HSV	hsv(68, 76%, 100%)
CMYK	cmyk(10.6%, 0%, 75.7%, 0%)
CIE-LAB	lab(95.31, -31.24, 82.16)
CIE-LCH	lch(95.31, 87.90, 110.82°)
OKLab	oklab(94.89% -0.0942 0.1802)
OKLCH	oklch(94.89% 0.203 117.6)
XYZ	xyz(68.6261, 88.3625, 17.9970)
Luminance	0.8836 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E4FF3E #593EFF

analogous

#FFBA3E #E4FF3E #83FF3E

triadic

#E4FF3E #3EE4FF #FF3EE4

tetradic

#E4FF3E #3EFFBA #593EFF #FF3E83

square

#E4FF3E #3EFFBA #593EFF #FF3E83

split-complementary

#E4FF3E #3E83FF #BA3EFF

monochromatic

#A7C300 #DBFF01 #E4FF3E #EDFF7B #F5FFB8

Accessibility & contrast

On white

1.12

#E4FF3E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.67

#E4FF3E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E4FF3E

18.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E4FF3E	#FFFFFF	#000000	##000000
##E4FF3E	1.00	1.12	18.67	18.67
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.67	21.00	1.00	1.00
##000000	18.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF100

Deuteranopia (green-blind)

#FFF250

Tritanopia (blue-blind)

#F2F1DB

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #e4ff3e;
/* rgb */ color: rgb(228, 255, 62);
/* oklch */ color: oklch(94.9% 0.203 117.6);

Tailwind

colors: {
  custom: {
    50: '#f1ff82',
    500: '#e4ff3e',
    950: '#000000',
  },
}

SCSS

$custom: #e4ff3e;
$custom-light: #f1ff82;
$custom-dark: #000000;

JSON

{
  "hex": "#e4ff3e",
  "rgb": {
    "r": 228,
    "g": 255,
    "b": 62
  },
  "hsl": {
    "h": 68.394,
    "s": 100,
    "l": 62.157
  },
  "oklch": {
    "l": 0.94893,
    "c": 0.20331,
    "h": 117.6
  },
  "luminance": 0.88362
}

Semantic roles & 50–950 ramp

primary

#E4FF3E

secondary

#3822BF

accent

#00E620

background

#FFFFFC

surface

#FFFFF3

border

#D7D7CD

text

#17170C

muted

#85857F

Preview Lab

Preview with #E4FF3E

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

Preview Lab → · Contrast checker → · Palette generator →