To me it seems odd to use an accent color like blue for the scale, and a regular white for the value indicator. I'd expect it to be the other way around. @Pablo Vazquez (pablovazquez) what's your take?

I don't think using the numslider theme settings is the way to go.

This is an indicator, not an interactive button. I would rather use:

• Header background (with opaque alpha so it works on transparent headers) for the background
• Header text for the lines
• Header text highlight for the current value/number

Patch no longer applies to current master, could you please update it? Sorry it took so long to check it.

 Cherry Pick Failed!
 Exception 
Command failed with error #1!
COMMAND
git cherry-pick 'arcpatch-D9314'

STDOUT
Auto-merging source/blender/editors/util/ed_draw.c
CONFLICT (content): Merge conflict in source/blender/editors/util/ed_draw.c
Auto-merging source/blender/editors/include/ED_util.h
Auto-merging source/blender/editors/armature/pose_slide.c
CONFLICT (content): Merge conflict in source/blender/editors/armature/pose_slide.c


STDERR
error: could not apply aba4942791f... Generic Slider implementation