VDI Design System · Colors
Colour palette
Three palettes work in concert: a dominant VDI/service palette, a Yutong product palette, and an EV/zero-emission palette.
Primary
VDI / Service & support
Dominant in dealership, distributor and customer service contexts. VDI Blue leads; navy anchors headings; yellow is strictly for highlights and CTAs.
Secondary
Yutong / Product & technology
Used when product is the hero — buses, specs, tech. Secondary Blue sits beside VDI Blue without competing.
EV / Zero-emission
Electric & sustainability
Used only for battery-electric and zero-emission content. Avoid pairing Electric Green with VDI Blue or Secondary Blue — they clash tonally.
Distribution
How to split a layout
Rough ratios to follow when composing backgrounds, blocks, type and accents in each context.
VDI / Service
Deep Navy · 40%
VDI Blue · 35%
White · 18%
Yellow · 7% (highlight only)
Yutong / Product
White · 45%
VDI Blue · 25%
Secondary Blue · 18%
Neutral · 12%
EV / Zero-emission
Deep Navy · 35%
Electric Green · 30%
Pale Green · 25%
Gray · 10%