#E6FF40#E6FF40

#E6FF40 is a very light, highly saturated yellow. Relative luminance 0.887; OKLCH L 95.0% C 0.202 H 117.1°. Best body text is #000000 at 18.74:1 contrast (WCAG AA passes).

Color values

HEX	#E6FF40
RGB	rgb(230, 255, 64)
HSL	hsl(68, 100%, 63%)
HSV	hsv(68, 75%, 100%)
CMYK	cmyk(9.8%, 0%, 74.9%, 0%)
CIE-LAB	lab(95.46, -30.37, 81.76)
CIE-LCH	lch(95.46, 87.22, 110.38°)
OKLab	oklab(95.05% -0.0918 0.1796)
OKLCH	oklch(95.05% 0.202 117.1)
XYZ	xyz(69.3203, 88.7140, 18.3212)
Luminance	0.8871 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E6FF40 #5940FF

analogous

#FFB840 #E6FF40 #87FF40

triadic

#E6FF40 #40E6FF #FF40E6

tetradic

#E6FF40 #40FFB8 #5940FF #FF4087

square

#E6FF40 #40FFB8 #5940FF #FF4087

split-complementary

#E6FF40 #4087FF #B840FF

monochromatic

#ABC500 #DEFF03 #E6FF40 #EEFF7D #F6FFBA

Accessibility & contrast

On white

1.12

#E6FF40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.74

#E6FF40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E6FF40

18.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E6FF40	#FFFFFF	#000000	##000000
##E6FF40	1.00	1.12	18.74	18.74
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.74	21.00	1.00	1.00
##000000	18.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF109

Deuteranopia (green-blind)

#FFF351

Tritanopia (blue-blind)

#F4F1DB

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #e6ff40;
/* rgb */ color: rgb(230, 255, 64);
/* oklch */ color: oklch(95.0% 0.202 117.1);

Tailwind

colors: {
  custom: {
    50: '#f2ff83',
    500: '#e6ff40',
    950: '#000000',
  },
}

SCSS

$custom: #e6ff40;
$custom-light: #f2ff83;
$custom-dark: #000000;

JSON

{
  "hex": "#e6ff40",
  "rgb": {
    "r": 230,
    "g": 255,
    "b": 64
  },
  "hsl": {
    "h": 67.853,
    "s": 100,
    "l": 62.549
  },
  "oklch": {
    "l": 0.95049,
    "c": 0.20167,
    "h": 117.1
  },
  "luminance": 0.88713
}

Semantic roles & 50–950 ramp

primary

#E6FF40

secondary

#3722C1

accent

#00E61E

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#17170C

muted

#85857F

Preview Lab

Preview with #E6FF40

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

Preview Lab → · Contrast checker → · Palette generator →