no color for ion button ionic 4 code example
Example 1: ionic button
Default
Anchor
Primary
Secondary
Tertiary
Success
Warning
Danger
Light
Medium
Dark
Full Button
Block Button
Round Button
Outline + Full
Outline + Block
Outline + Round
Left Icon
Right Icon
Large
Default
Small
Example 2: ion button color custom
ion-button{
--background: #0869AE;
--border-radius: 20px;
}