What color is #40FFFF?

#40FFFF is a light, vivid cyan, closest to the named color Looney Blue. It belongs to the teal family of colors.

What is the RGB value of #40FFFF?

The RGB value is 64, 255, 255: 64 red, 255 green and 255 blue on a 0 to 255 scale.

What is the complementary color of #40FFFF?

The complementary color is #FF4040, found by rotating the hue 180° on the color wheel.

Is black or white text better on #40FFFF?

Black text. Black text has a contrast ratio of 16.97:1 and white text 1.24:1. WCAG asks for at least 4.5:1 for normal text.

#40FFFF color

#40FFFF rgb(64, 255, 255)

Shades of teal

The hex color #40FFFF is a light, vivid cyan.

In the RGB color model it is made of 25.1% red, 100% green and 100% blue (64, 255, 255).

Its hue angle is 180°, with 100% saturation and 63% lightness. For print, the CMYK equivalent is 75% cyan, 0% magenta, 0% yellow and 0% black.

The closest named color is Looney Blue (#11FFFF), a difference of 1 ΔE, which is barely visible.

Black text is the more readable choice on this background (contrast 16.97:1).

#40FFFF color codes

HEX	`#40FFFF`
RGB	`rgb(64, 255, 255)`
RGB percent	`rgb(25.1%, 100%, 100%)`
HSL	`hsl(180, 100%, 63%)`
HSV / HSB	`hsv(180, 75%, 100%)`
CMYK	`cmyk(75%, 0%, 0%, 0%)`
CIE LAB	`lab(91.61, -44.86, -13.34)`
CIE LCH	`lch(91.61, 46.8, 196.57)`
CIE XYZ	`xyz(55.916, 79.823, 107.049)`
Decimal	`4259839`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #40FFFF, based on their position on the color wheel.

Complementary

The color opposite on the color wheel (180°). Strongest contrast.

Analogous

Neighbors 30° either side. Calm, natural combinations.

Split complementary

The two colors next to the complement (150° and 210°).

Triadic

Three colors evenly spaced, 120° apart.

Tetradic (square)

Four colors 90° apart.

Shades, tints and tones

Shades (darker, mixed with black)

Tints (lighter, mixed with white)

Tones (mixed with gray)

Contrast and accessibility

Text on #40FFFF	Ratio	AA	AAA	AA large
Sample text	16.97:1	Pass	Pass	Pass
Sample text	1.24:1	Fail	Fail	Fail

#40FFFF as text on	Ratio	AA	AAA	AA large
Sample text	1.24:1	Fail	Fail	Fail
Sample text	16.97:1	Pass	Pass	Pass

WCAG 2 asks for 4.5:1 for normal text (AA), 7:1 for AAA, and 3:1 for large text. Check other pairs.

Color blindness simulation

How #40FFFF looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #40ffff; }
.text { color: #40ffff; }
.border { border: 2px solid #40ffff; }
.transparent { background-color: rgb(64 255 255 / 50%); }
.gradient { background: linear-gradient(to right, #40ffff, #40a0ff); }

Background

Text color

Border

Similar colors

Questions

What color is #40FFFF?: #40FFFF is a light, vivid cyan, closest to the named color Looney Blue. It belongs to the teal family of colors.
What is the RGB value of #40FFFF?: The RGB value is 64, 255, 255: 64 red, 255 green and 255 blue on a 0 to 255 scale.
What is the complementary color of #40FFFF?: The complementary color is #FF4040, found by rotating the hue 180° on the color wheel.
Is black or white text better on #40FFFF?: Black text. Black text has a contrast ratio of 16.97:1 and white text 1.24:1. WCAG asks for at least 4.5:1 for normal text.