#646400 color

#646400 rgb(100, 100, 0)
Shades of yellow

The hex color #646400 is a very dark, vivid yellow.

In the RGB color model it is made of 39.2% red, 39.2% green and 0% blue (100, 100, 0).

Its hue angle is 60°, with 100% saturation and 20% lightness. For print, the CMYK equivalent is 0% cyan, 0% magenta, 100% yellow and 61% black.

The closest named color is Serrano Pepper (#556600), a difference of 5.1 ΔE.

White text is the more readable choice on this background (contrast 6.24:1).

#646400 color codes

HEX#646400
RGBrgb(100, 100, 0)
RGB percentrgb(39.2%, 39.2%, 0%)
HSLhsl(60, 100%, 20%)
HSV / HSBhsv(60, 100%, 39%)
CMYKcmyk(0%, 0%, 100%, 61%)
CIE LABlab(40.93, -10.85, 47.54)
CIE LCHlch(40.93, 48.77, 102.85)
CIE XYZxyz(9.813, 11.824, 1.765)
Decimal6579200
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #646400, 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 #646400RatioAAAAAAA large
Sample text3.36:1FailFailPass
Sample text6.24:1PassFailPass
#646400 as text onRatioAAAAAAA large
Sample text6.24:1PassFailPass
Sample text3.36:1FailFailPass

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 #646400 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #646400; }
.text { color: #646400; }
.border { border: 2px solid #646400; }
.transparent { background-color: rgb(100 100 0 / 50%); }
.gradient { background: linear-gradient(to right, #646400, #326400); }
Background
Text color
Border

Similar colors

Closest common color name: Dark Olive Green.

Questions

What color is #646400?
#646400 is a very dark, vivid yellow, closest to the named color Serrano Pepper. It belongs to the yellow family of colors.
What is the RGB value of #646400?
The RGB value is 100, 100, 0: 100 red, 100 green and 0 blue on a 0 to 255 scale.
What is the complementary color of #646400?
The complementary color is #000064, found by rotating the hue 180° on the color wheel.
Is black or white text better on #646400?
White text. Black text has a contrast ratio of 3.36:1 and white text 6.24:1. WCAG asks for at least 4.5:1 for normal text.