What color is #637C5F?

#637C5F is a grayish green, closest to the named color Emerald City. It belongs to the green family of colors.

What is the RGB value of #637C5F?

The RGB value is 99, 124, 95: 99 red, 124 green and 95 blue on a 0 to 255 scale.

What is the complementary color of #637C5F?

The complementary color is #785F7C, found by rotating the hue 180° on the color wheel.

Is black or white text better on #637C5F?

White text. Black text has a contrast ratio of 4.58:1 and white text 4.59:1. WCAG asks for at least 4.5:1 for normal text.

#637C5F color

#637C5F rgb(99, 124, 95)

Shades of green

The hex color #637C5F is a grayish green.

In the RGB color model it is made of 38.8% red, 48.6% green and 37.3% blue (99, 124, 95).

Its hue angle is 112°, with 13% saturation and 43% lightness. For print, the CMYK equivalent is 20% cyan, 0% magenta, 23% yellow and 51% black.

The closest named color is Emerald City (#6A7E5F), a difference of 2.1 ΔE, a small difference.

White text is the more readable choice on this background (contrast 4.59:1).

#637C5F color codes

HEX	`#637C5F`
RGB	`rgb(99, 124, 95)`
RGB percent	`rgb(38.8%, 48.6%, 37.3%)`
HSL	`hsl(112, 13%, 43%)`
HSV / HSB	`hsv(112, 23%, 49%)`
CMYK	`cmyk(20%, 0%, 23%, 51%)`
CIE LAB	`lab(49.37, -15.09, 12.93)`
CIE LCH	`lch(49.37, 19.87, 139.42)`
CIE XYZ	`xyz(14.418, 17.894, 13.518)`
Decimal	`6519903`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #637C5F, 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 #637C5F	Ratio	AA	AAA	AA large
Sample text	4.58:1	Pass	Fail	Pass
Sample text	4.59:1	Pass	Fail	Pass

#637C5F as text on	Ratio	AA	AAA	AA large
Sample text	4.59:1	Pass	Fail	Pass
Sample text	4.58:1	Pass	Fail	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 #637C5F looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #637c5f; }
.text { color: #637c5f; }
.border { border: 2px solid #637c5f; }
.transparent { background-color: rgb(99 124 95 / 50%); }
.gradient { background: linear-gradient(to right, #637c5f, #5f7c6a); }

Background

Text color

Border

Similar colors

Closest common color name: Fern Green.

Questions

What color is #637C5F?: #637C5F is a grayish green, closest to the named color Emerald City. It belongs to the green family of colors.
What is the RGB value of #637C5F?: The RGB value is 99, 124, 95: 99 red, 124 green and 95 blue on a 0 to 255 scale.
What is the complementary color of #637C5F?: The complementary color is #785F7C, found by rotating the hue 180° on the color wheel.
Is black or white text better on #637C5F?: White text. Black text has a contrast ratio of 4.58:1 and white text 4.59:1. WCAG asks for at least 4.5:1 for normal text.