#E3FC4B#E3FC4B

#E3FC4B is a very light, vivid yellow. Relative luminance 0.865; OKLCH L 94.3% C 0.194 H 117.3°. Best body text is #000000 at 18.29:1 contrast (WCAG AA passes).

Color values

HEX	#E3FC4B
RGB	rgb(227, 252, 75)
HSL	hsl(68, 97%, 64%)
HSV	hsv(68, 70%, 99%)
CMYK	cmyk(9.9%, 0%, 70.2%, 1.2%)
CIE-LAB	lab(94.51, -29.67, 77.27)
CIE-LCH	lch(94.51, 82.77, 111.00°)
OKLab	oklab(94.25% -0.0888 0.172)
OKLCH	oklch(94.25% 0.194 117.3)
XYZ	xyz(67.7605, 86.4605, 19.7742)
Luminance	0.8646 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E3FC4B #644BFC

analogous

#FCBD4B #E3FC4B #8AFC4B

triadic

#E3FC4B #4BE3FC #FC4BE3

tetradic

#E3FC4B #4BFCBD #644BFC #FC4B8A

square

#E3FC4B #4BFCBD #644BFC #FC4B8A

split-complementary

#E3FC4B #4B8AFC #BD4BFC

monochromatic

#ADC903 #DAFB0F #E3FC4B #ECFD87 #F6FEC3

Accessibility & contrast

On white

1.15

#E3FC4B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.29

#E3FC4B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E3FC4B

18.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E3FC4B	#FFFFFF	#000000	##000000
##E3FC4B	1.00	1.15	18.29	18.29
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.29	21.00	1.00	1.00
##000000	18.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF2B

Deuteranopia (green-blind)

#FFF059

Tritanopia (blue-blind)

#F1EEDA

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #e3fc4b;
/* rgb */ color: rgb(227, 252, 75);
/* oklch */ color: oklch(94.3% 0.194 117.3);

Tailwind

colors: {
  custom: {
    50: '#f0fd88',
    500: '#e3fc4b',
    950: '#000000',
  },
}

SCSS

$custom: #e3fc4b;
$custom-light: #f0fd88;
$custom-dark: #000000;

JSON

{
  "hex": "#e3fc4b",
  "rgb": {
    "r": 227,
    "g": 252,
    "b": 75
  },
  "hsl": {
    "h": 68.475,
    "s": 96.721,
    "l": 64.118
  },
  "oklch": {
    "l": 0.9425,
    "c": 0.19354,
    "h": 117.3
  },
  "luminance": 0.8646
}

Semantic roles & 50–950 ramp

primary

#E3FC4B

secondary

#3C26C5

accent

#00E620

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#17170C

muted

#85857F

Preview Lab

Preview with #E3FC4B

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

Preview Lab → · Contrast checker → · Palette generator →