C
Evidence Grade C
Graded
under review
Use with Hedging
Recent
21%
21% -- conversion rate uplift for HubSpot CTA button color test (red vs green) (2025)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
21%
Unit
Percentage
Data Vintage
2025
Entity
Evidence Quality
C
Moderate quality evidence
Useful directional data with some methodological gaps. Treat as indicative rather than definitive -- corroborate before citing in formal research.
Score breakdown
Extraction
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Sources (2)
HubSpot
Primary
Tier C
https://www.flowcre8tive.com.au/post/colour-psychology-in-web-design-how-to-influence-customer-behav… ↗
Source Article
Colour Psychology in Web Design: How to Influence Customer Behaviour and Increase Conversions | Flow Cre8tive
Colour Psychology in Web Design: How to Influence Customer Behaviour and Increase Conversions
Updated: Apr 9, 2025
Colour is a visual element in web design and a powerful tool that can influence emotions, perceptions, and even purchasing decisions. Understanding colour psychology can help you create…
Also cited by
2026-09-21
Original Research
HubSpot
· Original study ↗
Methodology
A/B test of CTA button colors, cited from HubSpot research
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Suggested hedging: According to limited, single-source data, with unverified sample sizes...
Plain Text
HubSpot CTA button color test (red vs green): 21% conversion rate uplift. Source: HubSpot (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/hubspot-red-cta-21-percent
HTML Embed
<blockquote cite="https://lighthousedata.io/data/hubspot-red-cta-21-percent" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>21%</strong> -- conversion rate uplift for HubSpot CTA button color test (red vs green)<br><small>Source: HubSpot (2025) · <a href="https://lighthousedata.io/data/hubspot-red-cta-21-percent" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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