Color, Personally
Collection 04 / 6 focused guides

Blue garments

Source-backed guides to blue garments. Check the named model, document or edition in each reference.

A useful working page

Two-color contrast lab

Explore the digital light-dark separation between two sRGB colors. This is the WCAG contrast formula, not personal color analysis or a prediction of fabric appearance.

Open the worksheet

(lighter relative luminance + 0.05) ÷ (darker relative luminance + 0.05)

Use your own inputs. Read the assumptions.