D3 or Ruby award-winning websites
83 sites, the most like CSS Gradient first.
Results

CSS Gradient

GitHub Homepage

Robin Payot

Investment Calculator

+_+ crypton.trading

Covid-19 Data Dashboard

RIOT digital product agency

Gambling.Flatstudio.co

Cinekid Play

Dribbble 2018

SensesLab

Brokenships

Dot to dot

Globalance World

Ask the AI Ball

Cuchillo

Dribbble

Tour Partner Group

C°F Experiments

NYC FOODIVERSE

DAESK

District Mobility

Denton

NASA SPACECRAFTS

HLR Lookup

Nike - 15 Years of SB Dunk

The Badass Project

Workflow Quarterly

Nubikk

Hello, sun.

Playbook

Ester Digital

Prince Discography, Annotated

AZAB

Flatstudio. Complex interfaces

Wealthsimple.com

M2 Lab

The Island

Lebonnet

America Off Balance

The Horological Smartwatch

Storytrail

Teleset Plus

Zappos Kids

Réard Paris

Taptaro

trublooms

Tondo