diff --git a/src/vs/platform/theme/common/colorRegistry.ts b/src/vs/platform/theme/common/colorRegistry.ts
index 42fbb543b0f19..1ce02f31b6e53 100644
--- a/src/vs/platform/theme/common/colorRegistry.ts
+++ b/src/vs/platform/theme/common/colorRegistry.ts
@@ -229,6 +229,10 @@ export const buttonForeground = registerColor('button.foreground', { dark: Color
 export const buttonBackground = registerColor('button.background', { dark: '#0E639C', light: '#007ACC', hc: null }, nls.localize('buttonBackground', "Button background color."));
 export const buttonHoverBackground = registerColor('button.hoverBackground', { dark: lighten(buttonBackground, 0.2), light: darken(buttonBackground, 0.2), hc: null }, nls.localize('buttonHoverBackground', "Button background color when hovering."));
 
+export const buttonSecondaryForeground = registerColor('button.secondaryForeground', { dark: Color.white, light: Color.white, hc: Color.white }, nls.localize('buttonSecondaryForeground', "Secondary button foreground color."));
+export const buttonSecondaryBackground = registerColor('button.secondaryBackground', { dark: '#3A3D41', light: '#5F6A79', hc: null }, nls.localize('buttonSecondaryBackground', "Secondary button background color."));
+export const buttonSecondaryHoverBackground = registerColor('button.secondaryHoverBackground', { dark: lighten(buttonSecondaryBackground, 0.2), light: darken(buttonSecondaryBackground, 0.2), hc: null }, nls.localize('buttonSecondaryHoverBackground', "Secondary button background color when hovering."));
+
 export const badgeBackground = registerColor('badge.background', { dark: '#4D4D4D', light: '#C4C4C4', hc: Color.black }, nls.localize('badgeBackground', "Badge background color. Badges are small information labels, e.g. for search results count."));
 export const badgeForeground = registerColor('badge.foreground', { dark: Color.white, light: '#333', hc: Color.white }, nls.localize('badgeForeground', "Badge foreground color. Badges are small information labels, e.g. for search results count."));