#03071E
#0B525B
#1B998B
#C2F970
#006638Hunter Green
#5E60CESlate Blue
#4EA8DECyan
#80FFDBAquamarine
Lagoon Slate Blue & Aquamarine is a vivid split color palette tagged cold, green, teal. The hues span about 86°, enough contrast to create a focal point without the harshness of true complements. These are bold, punchy colors that need generous white space around them. The overall temperature is cool.
Color codes click any value to copy
| Swatch | Name | HEX | RGB | HSL | OKLCH |
|---|---|---|---|---|---|
| Hunter Green | #006638 | rgb(0, 102, 56) | hsl(153, 100%, 20%) | oklch(44.8% 0.111 155) | |
| Slate Blue | #5E60CE | rgb(94, 96, 206) | hsl(239, 53%, 59%) | oklch(54.6% 0.166 279) | |
| Cyan | #4EA8DE | rgb(78, 168, 222) | hsl(203, 69%, 59%) | oklch(69.9% 0.117 238) | |
| Aquamarine | #80FFDB | rgb(128, 255, 219) | hsl(163, 100%, 75%) | oklch(91.7% 0.125 173) |
Why it works and how to use it
It works because the lightness range is wide (20% to 75%), which gives clear hierarchy between background, content and accents. Try it for websites, presentations and branding.
- Background: Aquamarine (#80FFDB) is the lightest color, so it belongs on large surfaces.
- Text: Hunter Green (#006638) on #80FFDB gives 5.83:1, passing WCAG AA.
- Primary: Cyan (#4EA8DE) is the most saturated mid-tone; use it for buttons and links with a border or a darker shade for contrast.
- Accent: Slate Blue (#5E60CE) for highlights, badges and hover states.
1 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Hunter Green on Aquamarine at 5.83:1.
Preview on a real UI see how the palette feels in context
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Design faster with Lagoon Slate Blue & Aquamarine
A palette preview that turns four colors into a page, so you can judge hierarchy, contrast and mood before you commit.
Primary action SecondaryCard title
Card title
Card title
Roles are assigned by lightness.
Color blindness simulation
#006638
#5E60CE
#4EA8DE
#80FFDB
Color-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.
Contrast check WCAG ratios between palette colors
| Pair | Sample | Ratio | Level |
|---|---|---|---|
#006638 on #80FFDB | Aa | 5.83:1 | AA |
#5E60CE on #80FFDB | Aa | 4.27:1 | AA large only |
#006638 on #4EA8DE | Aa | 2.7:1 | Fail |
#4EA8DE on #80FFDB | Aa | 2.16:1 | Fail |
#5E60CE on #4EA8DE | Aa | 1.98:1 | Fail |
#006638 on #5E60CE | Aa | 1.37:1 | Fail |
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