What color is #405E51?

#405E51 is a dark, grayish spring green, closest to the named color Ethereal Woods. It belongs to the green family of colors.

What is the RGB value of #405E51?

The RGB value is 64, 94, 81: 64 red, 94 green and 81 blue on a 0 to 255 scale.

What is the complementary color of #405E51?

The complementary color is #5E404D, found by rotating the hue 180° on the color wheel.

Is black or white text better on #405E51?

White text. Black text has a contrast ratio of 2.94:1 and white text 7.15:1. WCAG asks for at least 4.5:1 for normal text.

#405E51 color

#405E51 rgb(64, 94, 81)

Shades of green

The hex color #405E51 is a dark, grayish spring green.

In the RGB color model it is made of 25.1% red, 36.9% green and 31.8% blue (64, 94, 81).

Its hue angle is 154°, with 19% saturation and 31% lightness. For print, the CMYK equivalent is 32% cyan, 0% magenta, 14% yellow and 63% black.

The closest named color is Ethereal Woods (#3E5E4E), a difference of 1.4 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 7.15:1).

#405E51 color codes

HEX	`#405E51`
RGB	`rgb(64, 94, 81)`
RGB percent	`rgb(25.1%, 36.9%, 31.8%)`
HSL	`hsl(154, 19%, 31%)`
HSV / HSB	`hsv(154, 32%, 37%)`
CMYK	`cmyk(32%, 0%, 14%, 63%)`
CIE LAB	`lab(37.28, -14.22, 3.93)`
CIE LCH	`lch(37.28, 14.76, 164.55)`
CIE XYZ	`xyz(7.602, 9.689, 9.253)`
Decimal	`4218449`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #405E51, 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 #405E51	Ratio	AA	AAA	AA large
Sample text	2.94:1	Fail	Fail	Fail
Sample text	7.15:1	Pass	Pass	Pass

#405E51 as text on	Ratio	AA	AAA	AA large
Sample text	7.15:1	Pass	Pass	Pass
Sample text	2.94:1	Fail	Fail	Fail

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 #405E51 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #405e51; }
.text { color: #405e51; }
.border { border: 2px solid #405e51; }
.transparent { background-color: rgb(64 94 81 / 50%); }
.gradient { background: linear-gradient(to right, #405e51, #405c5e); }

Background

Text color

Border

Similar colors

Closest common color name: Dark Slate Gray.

Questions

What color is #405E51?: #405E51 is a dark, grayish spring green, closest to the named color Ethereal Woods. It belongs to the green family of colors.
What is the RGB value of #405E51?: The RGB value is 64, 94, 81: 64 red, 94 green and 81 blue on a 0 to 255 scale.
What is the complementary color of #405E51?: The complementary color is #5E404D, found by rotating the hue 180° on the color wheel.
Is black or white text better on #405E51?: White text. Black text has a contrast ratio of 2.94:1 and white text 7.15:1. WCAG asks for at least 4.5:1 for normal text.