Stairs on minecraft pe show a different colour, a darker colour. This was when 0.14.0 released and so for example, if I put a spruce plank down, and put a spruce stair next to it, the stair will be darker and won't match the spruce plank block colour
Linked issues
duplicates
Comments
Duplicate of MCPE-8054

Thank you for your report! However, this issue has already been reported as MCPE-8054. Consider doing a search next time, to check if a report on the issue you're submitting doesn't already exist.

Thank you for your report! However, this issue has already been reported as MCPE-8054. Consider doing a search next time, to check if a report on the issue you're submitting doesn't already exist.
Duplicate of MCPE-8054
http://i.imgur.com/M063ze8.png