1) Atsuko Nishida (Kanji Puzzle)

wiki

She designed a number of creatures for the Pokémon franchise, including one of the most well-known Pokémon species, the franchise’s mascot Pikachu.

A clue pointing us to “yellow”: the color of Pikachu.

2) III

III is “3” in Roman numerals.

3) Stars of Orion’s Belt

Unsolved
Three stars as another connection to “3” may be a loose connection.

4) Clipboard Names

The same names from the clipboard in CB2_Stats can be found by increasing the sharpness of the image. It is difficult to get a clear result with all the names visible.

See CB2_Stats for a breakdown of this clue.
This clue points us to “yellow”.

5) Leo

A depiction of the Leo “the lion”, likely a depiction of the constellation as an animal, such as this:
Leo_animal_constellation | 400

6) Yellow Border

The pixel lengths of the yellow border sections are 1, 3, and 1872

7) 40 44 83 86 67 70 83 41 45 49

Converting each space delimited decimal number to ASCII text gives the following string:
(,SVCFS)-1
Subtracting 1 from the ASCII identifier for each character within the parenthesis gives the following string
+RUBER

The word “Ruber” means “Red” in Latin (source), leading to the conclusion that the message meant “add red”. This conclusion was 👀‘d by Rob.

8) Add red

A red plus sign of color D51D3B is hidden within the usual D21F3C red color reference.
This was not discovered during the tier, but was discovered well afterword while I was making the guide for this image (message)