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In the registryIssued December 7, 2025GCR-2025-CCDD00

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

Octarine certificate

Octarine

Registry ID

GCR-2025-CCDD00

Issued December 7, 2025

Color data

HEX #CCDD00

RGB 204 / 221 / 0

HSL 65° / 100% / 43%

CMYK 8 / 0 / 100 / 13

opencolors.org/certificate/CCDD00

Using this color

Aa

White text

1.51:1 · Fail

Aa

Black text

13.91:1 · AAA

Suggested pairings

Complement#1200DB
Analogous +30°#5BDB00
Analogous −30°#DB8000

Copy for a project

CSS

--octarine: #CCDD00;

Tailwind

bg-[#CCDD00]

Token

{
  "octarine": {
    "value": "#CCDD00"
  }
}