Google Calendar adds full RGB picker with 24 default colors

Google Calendar has expanded its event‑color palette to 24 default colors and introduced a full RGB picker that lets users choose up to 200 custom shades, a change that promises finer visual organization for both personal and Workspace users [1][4]. The rollout begins on June 17 2026 for rapid‑release domains and on June 29 2026 for scheduled‑release domains, with visibility potentially taking up to two weeks [2].

Expanded palette and rollout details

Google’s blog post confirms that the new palette is live on both web and mobile apps, and it is also exposed through the Calendar API [1]. Users can now select from a grid of 24 preset colors, and if those do not meet their needs, the RGB picker provides a broader spectrum—Google states the picker supports “up to 200 custom colors,” effectively unlocking millions of hex‑code variations [4]. The feature is enabled by default for all accounts, including personal Google accounts, Workspace customers, and Individual subscribers, with no admin toggle required [2].

Market and competitive context

The previous limit of 11 colors was a long‑standing complaint among power users who resorted to workarounds such as creating separate calendars or building Chrome extensions to gain more visual differentiation [4]. By expanding the palette, Google addresses a usability gap that competitors like Microsoft Outlook have already mitigated with richer color‑coding options. While Google does not disclose adoption metrics, the rollout timeline mirrors typical Workspace feature releases, suggesting a measured but broad deployment across its ecosystem.

What to watch

• Full rollout completion – Monitor Google’s updates for the two‑week visibility window to confirm universal availability.
• Workspace admin feedback – Since there is no admin control, watch for any enterprise requests for granular permission settings.
• Competitor responses – Keep an eye on whether Outlook or other calendar apps introduce comparable custom‑color features in the next quarter.

The addition of a full RGB picker turns Google Calendar’s color‑coding from a basic visual cue into a more granular organizational tool, potentially reshaping how users segment and prioritize events across personal and enterprise environments.