Social Media (HEX & RGB) – Image Size Reference Guide – Optimal Posting Time [Facebook, Twitter, Instagram, LinkedIn, Snapchat, Pinterest, Tumblr, Google+, YouTube]
The Social Media Colors original post can be viewed here. John Locke has compiled a vast list of primary, secondary and alternative brand colors.
Official Image Sizes was created by makeawebsitehub.com and you can get it from HubSpot for free here.
Tips To Optimize Social Media Platforms is a great info-graph created by Steph Dowling from MyCleverAgency on July 19, 2016. Also included in the info-graph is the suggested times to post to each social media platform. The full info-graph can be found here.
Hex: #3b5998;
RGB: (59, 89, 152)
Best Time to Post
[3pm – 9pm] on Weekdays
[10am – 1pm] on Weekends
Facebook Image Sizes
Cover photo: 851 px wide by 315 px tall
Profile image: 180 px wide by 180 px tall
Highlighted image: 1200 px wide by 717 px tall
Shared image: 1200 px wide by 630 px tall
Shared link thumbnail image: 1200 px wide by 627 px tall
Link – Content Image: 1200px wide x 628px tall
Hex: #00b6f1;
RGB: (0, 182, 241)
Best Time to Post
[1pm – 6pm] on Weekdays
Twitter Image Sizes
Header photo: 1500 px wide by 500 px tall
Profile image: 400 px wide by 400 px tall
In-stream photo: 440 px wide by 220 px tall
Hex & RGB:
Magenta – #c32aa3 [195, 42, 163]
Blue – #4c5fd7 [76, 95, 215]
Purple – #7232bd [114, 50, 189]
Orange – #f46f30 [244, 111, 48]
Light Brown – #ffdc7d [255, 220, 125]
Instagram Image Sizes
Profile image: 110 px wide by 110 px tall
Photo size: 1080 px wide by 1080 px tall
Photo thumbnails: 161 px wide by 161 px tall
Best Time to Post
[6am – 9am] on Weekdays
[3pm – 10pm] All Week
YouTube
Hex: #b31217;
RGB: (179, 18, 23)
YouTube Image Sizes
Video uploads: 1280 px wide by 760 px tall
Channel cover photo: 2560 px wide by 1440 px tall
Best Time to Post
[1pm – 3pm]
Google+
Hex: #df4a32;
RGB: (223, 74, 50)
Google+ Image Sizes
Profile image: 250 px wide by 250 px tall
Cover image: 1080 px wide by 608 px tall
Shared image (on home stream): 497 px wide by 373 px tall
Shared image (on feed or your page): 150 px wide by 150 px tall
Hex: #cb2027;
RGB: (203, 32, 39)
Pinterest Image Sizes
Profile image: 165 px wide by 165 px tall
Board display: 22 px wide by 150 px tall
Pin sizes: 236 px wide
Best Time to Post
[12pm – 2pm] &
[8pm – 1am]
Tumblr
Hex: #2c4762
RGB: (44, 71, 98)
Tumblr Image Sizes
Profile Image: 128 x 128 px
Image Post: 500 px wide x 750 px tall
Best Time to Post
[8pm – 12am]
Snapchat
Hex: #fffc00
RGB: (255, 252, 0)
Best Time to Post to Snapchat
No optimum time, but Snappers are more likely to be online [4pm – 22pm]
Hex: #007bb6;
RGB: (0, 123, 182)
LinkedIn Image Sizes
Background image: 1500 px wide by 425 px tall
Profile image: 400 px wide by 400 px tall
Career cover photo: 974 px wide by 330 px tall
Banner image: 646 px wide by 220 px tall (minimum)
Standard logo: 400 px wide by 400 pixels tall (maximum)
Best Time to Post
[7am – 9am] & [12pm – 2pm]