Preview + Unit-tests for color conversions

1 files changed, 5 insertions, 1 deletions

diff --git a/internal/colors/precise.go b/internal/colors/precise.go
index fafa104..a58d7c5 100644
--- a/internal/colors/precise.go
+++ b/internal/colors/precise.go
@@ -11,6 +11,10 @@ type ColorSpace interface {
 	FromPrecise(PreciseColor) ColorSpace
 }
 
+func (c PreciseColor) String() string {
+	return fmt.Sprintf("PC(%.4f, %.4f, %.4f)", c.R, c.G, c.B)
+}
+
 // PreciseColor is a color with floating point values for red, green, and blue.
 // The extra precision minimizes rounding errors when converting between different
 // color spaces. It is used as an intermediate representation when converting between
@@ -27,7 +31,7 @@ func (c PreciseColor) FromPrecise(p PreciseColor) ColorSpace {
 	return p
 }
 
-func ToHexString(cs ColorSpace) string {
+func Hex(cs ColorSpace) string {
 	p := cs.ToPrecise()
 
 	return strings.ToUpper(fmt.Sprintf("#%02x%02x%02x",