Slack Yellow

The hex color #ECB22E is rgb(236, 178, 46), also known as Slack Yellow.

Used in the brand palettes of Slack.

#ECB22E Color Codes

HEX

#ECB22E

RGB

rgb(236, 178, 46)

HSL

hsl(42, 83%, 55%)

CMYK

cmyk(0%, 25%, 81%, 7%)

Tints & Shades of #ECB22E

Shades (darker)

#D69C14

#AB7D10

#805D0C

#563E08

#2B1F04

Tints (lighter)

#EFBF50

#F2CC73

#F5D996

#F8E5B9

#FCF2DC

Text Contrast & Accessibility

White text — ratio 1.91:1 (fails AA)

Black text — ratio 10.97:1 (passes AA)

Pair #ECB22E with black text — that combination passes WCAG AA for normal text at 10.97:1. For WCAG 2.1 AA, normal text needs at least 4.5:1 and large text at least 3:1 — test other pairings with the contrast checker.

About #ECB22E

#ECB22E is a medium, vivid warm orange. In HSL that's a hue of 42°, 83% saturation and 55% lightness, which makes it a warm tone that reads best alongside cooler accents.

Complementary & analogous

#2D66EB

#C5EB2D

#EB532D

Colors similar to #ECB22E

The closest colors to #ECB22E that have their own page here.

#F5A623

Burger King Orange

#FFB81C

McDonald's Yellow

#FCAF45

Instagram Orange

#FFC220

Walmart Spark Yellow

#F79E1B

Mastercard Yellow

#FFC72C

McDonald's Golden Yellow

#F4B400

Google Yellow

#FFCD41

Wells Fargo Gold

Frequently asked about #ECB22E

What is the RGB value of #ECB22E?

#ECB22E is rgb(236, 178, 46) — red 236, green 178, blue 46.

What is the CMYK value of #ECB22E?

#ECB22E converts to cmyk(0%, 25%, 81%, 7%), useful for print work.

Is #ECB22E a warm or cool color?

#ECB22E is a medium, vivid warm orange (hue 42°, 83% saturation, 55% lightness).

Which brands use #ECB22E?

#ECB22E (Slack Yellow) appears in the brand palettes of Slack.