Click the following.
Profile>Account Settings>Modify Profile>Look and Layout> at the top you can change your theme.
The old theme is "Ambassador" which is a dark grey and beige color, the current one is "RuneRebels" which is white and blue.
Step1. Click on account settings.
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Step2. Click on look and layout
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Step3. Click (change)
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Step4. Choose your theme.
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