So What Exactly Is ECRU?

There are only three DMC threads with numbers that don't fit the convention; Blanc, B5200 and ECRU. Two are white, but what exactly is ECRU?

What is Ecru Colour - In Colour Consultancy

So What Exactly Is ECRU?

Black and Ecru Pole Shibori

Gigi Crochet Skirt - Ecru - Narah Soleigh

Ecru Color - A Look at What Colors Go With Ecru in Art

ECRU NEW YORK Defining Paste 1.69oz, Medium Hold Mens Styling Balm and Pomade for Short to Mid Length Hair : Beauty & Personal Care

7 Awesome Gift Ideas For Cross Stitchers

Eberjey So Solid Margarita One Piece Ecru: Large - PLAISIRS - Wellbeing and Lifestyle Products & Gifts

The Perfect Printer For Cross Stitch

Estee Lauder Double Wear Stay-In-Place Makeup 16 Ecru : Foundation Makeup : Beauty & Personal Care

7 Awesome Gift Ideas For Cross Stitchers

Antique French FILET LACE heavy ECRU cotton BED COVERLET c1920

7 Awesome Gift Ideas For Cross Stitchers

Ecru Color - A Look at What Colors Go With Ecru in Art