Convert any NCS color code — like S 1050-Y90R — into RGB, HEX, and HSL instantly. No signup, no install.
How NCS Codes Are Structured
An NCS code encodes three values: blackness, chromaticness, and hue — in that order. For example, S 1050-Y90R breaks down as:
- 10 — blackness (10%)
- 50 — chromaticness, or color intensity (50%)
- Y90R — hue: 90% of the way from yellow (Y) toward red (R)
The remaining percentage — whiteness — is whatever’s left after blackness and chromaticness are subtracted from 100. A code like S 5000-N has no hue component at all: the N means neutral (grey), and the two digits before it set how light or dark that grey is.
This conversion is an approximation, not an official NCS value. NCS® is a proprietary color system owned by NCS Colour AB, and the exact RGB equivalents for each of the ~2,050 standardized NCS colors come from their licensed color atlas. This tool calculates a close visual match using the blackness/chromaticness/hue values in the code itself — reliable for previewing a color digitally, but not a substitute for the official NCS fan deck when exact paint-matching or manufacturing accuracy is required.
FAQ
What does an NCS code like S 1050-Y90R mean?
It’s a three-part color specification: blackness (10%), chromaticness (50%), and hue (90% of the way from yellow to red). Together they describe how dark, how intense, and what hue family the color belongs to.
Is NCS to RGB conversion exact?
No — it’s a close approximation. Exact conversions require NCS Colour AB’s licensed color atlas, since NCS is a proprietary, perception-based system rather than a mathematical color model like RGB or HSL.
What does NCS S 5000-N mean?
The N marks it as a neutral color with no hue — pure grey. The digits before it (50) set the blackness, which determines how light or dark that grey is.
Can I convert RGB back to NCS?
Not with this tool — this converter works in the NCS-to-RGB direction only. A reverse RGB-to-NCS converter is a natural companion tool and may be added separately.