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In the registryIssued December 7, 2025GCR-2025-595648

The registry ID is GCR, the year the color was named, and its hex.

Millbrook certificate

Millbrook

Registry ID

GCR-2025-595648

Issued December 7, 2025

Color data

HEX #595648

RGB 89 / 86 / 72

HSL 49° / 11% / 32%

CMYK 0 / 3 / 19 / 65

opencolors.org/certificate/595648

Using this color

Aa

White text

7.37:1 · AAA

Aa

Black text

2.85:1 · Fail

Suggested pairings

Complement#494C5B
Analogous +30°#555B49
Analogous −30°#5B4E49

Copy for a project

CSS

--millbrook: #595648;

Tailwind

bg-[#595648]

Token

{
  "millbrook": {
    "value": "#595648"
  }
}