Use the Magic Wand Tool (same group as Quick Selection Tool) and select the white part. It will automatically select the whole area with white. Refine the results by going to Layer > Matting > Remove White Matte
Open the image in Photoshop, Select the Eyedropper tool to pick up the foreground and background color of the logo so that they are set as the foreground and background color in photoshop (white should be foreground) choose 'Image', 'Adjustments' and go to 'Gradient Map...' If the background is not right (not 100% white) then click on the gradient itself and move the white color stop to the middle until the background is 100% white. Click OK and you're done
Open the image in Photoshop, Select the Eyedropper tool to pick up the foreground and background color of the logo so that they are set as the foreground and background color in photoshop (white should be foreground) choose 'Image', 'Adjustments' and go to 'Gradient Map...' If the background is not right (not 100% white) then click on the gradient itself and move the white color stop to the middle until the background is 100% white. Click OK and you're done
Is logo has white letter gr n n with red background
white scorpion red background logo
The Billabong company uses a black background with a white wavy line for a logo.
SED
Crocodile
jb
Billabong
THQ
Rossignol
The Swiss flag.