Open Elements Design System
Foundation 02 — Color 15 tokens · blue-forward palette

Color, measured.

Navy and light blues carry the brand. Teal ties back to the logo ring. Pink and yellow come from the logo stripes — pink appears at most once per page, yellow essentially never outside the mark itself.

Core ink.

Navy is the brand. White is the canvas. Everything else supports.

#001452
Navy 900
Primary ink. All display headlines. Logo background.
#182A6B
Navy 700
Secondary navy
#3A559A
Navy 500
Mid tile fill
#FFFFFF
White
Default surface

Blue family.

The primary expressive color. Use the deep end for surfaces, the pale end for tints behind copy.

#4A87D6
Blue 600
#6EA6E3
Blue 500
#9EC5EC
Blue 300
#C5DEF3
Blue 200
#E5EFF9
Blue 100
#F2F7FC
Blue 050

Teal & mint.

The brand's quieter side. Teal echoes the logo ring; mint backs anything labelled "active engagement".

#28A58A
Teal 600
#5CBA9E
Teal 500
#A8DAC8
Teal 300
#C9E4D9
Mint 200
#E2F0EA
Mint 100
reserved

Accent stripes.

Pink and yellow live in the logo. Pink can earn its way out — yellow cannot.

#E6357B
Pink 500
Logo stripe · one CTA per page · mid-sentence emphasis
#F7C6D9
Pink 200
Soft pink tile
#F5C836
Yellow 400
Logo stripe only — do not use elsewhere
#F7F9FC
Page soft
A warmer alternative to pure white

Combinations that work.

Three pairings cover most of the system. Stick to these and the brand stays itself.

Navy on white.
The default. Headlines, body, the dominant 80% of every page.
Navy on blue 100.
Section dividers, callouts, the "becoming a sustainable program" rail.
Navy on mint 100.
Active engagements, success states, anything that says this is moving.
Pink as one moment.
A single word, a single button — and only when it earns the spotlight.

The rules.

Three principles keep the system from drifting.

DO · 01
One pink per page.

Reserve pink for the single most important CTA, or one mid-sentence emphasis. If you want two pinks, you've actually got zero.

DO · 02
Lead with navy.

If a layout works in navy on white before color is added, the color will land. If it doesn't, color won't fix it.

DON'T · 03
Don't gradient.

Flat fills only. Color combinations come from putting two flat tints next to each other — never from blending them.