#004740 color

#004740 rgb(0, 71, 64)
Shades of teal

The hex color #004740 is a very dark, vivid spring green.

In the RGB color model it is made of 0% red, 27.8% green and 25.1% blue (0, 71, 64).

Its hue angle is 174°, with 100% saturation and 14% lightness. For print, the CMYK equivalent is 100% cyan, 0% magenta, 10% yellow and 72% black.

The closest named color is Tropical Forest (#024A43), a difference of 0.9 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 10.63:1).

#004740 color codes

HEX#004740
RGBrgb(0, 71, 64)
RGB percentrgb(0%, 27.8%, 25.1%)
HSLhsl(174, 100%, 14%)
HSV / HSBhsv(174, 100%, 28%)
CMYKcmyk(100%, 0%, 10%, 72%)
CIE LABlab(26.38, -21.59, -1.41)
CIE LCHlch(26.38, 21.63, 183.74)
CIE XYZxyz(3.178, 4.876, 5.623)
Decimal18240
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #004740, 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 #004740RatioAAAAAAA large
Sample text1.98:1FailFailFail
Sample text10.63:1PassPassPass
#004740 as text onRatioAAAAAAA large
Sample text10.63:1PassPassPass
Sample text1.98:1FailFailFail

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 #004740 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #004740; }
.text { color: #004740; }
.border { border: 2px solid #004740; }
.transparent { background-color: rgb(0 71 64 / 50%); }
.gradient { background: linear-gradient(to right, #004740, #002a47); }
Background
Text color
Border

Similar colors

Questions

What color is #004740?
#004740 is a very dark, vivid spring green, closest to the named color Tropical Forest. It belongs to the teal family of colors.
What is the RGB value of #004740?
The RGB value is 0, 71, 64: 0 red, 71 green and 64 blue on a 0 to 255 scale.
What is the complementary color of #004740?
The complementary color is #470007, found by rotating the hue 180° on the color wheel.
Is black or white text better on #004740?
White text. Black text has a contrast ratio of 1.98:1 and white text 10.63:1. WCAG asks for at least 4.5:1 for normal text.