Sienna & Cyan Field is a vivid complementary color palette tagged modern, teal, white. Near-complementary hues (about 155° apart) make this a high-contrast, attention-grabbing combination. Saturation runs high, so use the brightest color sparingly and let the others carry the surface area. Warm and cool hues are mixed, which adds depth.
Color codes click any value to copy
| Swatch | Name | HEX | RGB | HSL | OKLCH |
|---|---|---|---|---|---|
| Charcoal | #0F414D | rgb(15, 65, 77) | hsl(192, 67%, 18%) | oklch(34.9% 0.055 218) | |
| Cyan | #24B2CF | rgb(36, 178, 207) | hsl(190, 70%, 48%) | oklch(70.6% 0.118 216) | |
| Frost | #E9F5F0 | rgb(233, 245, 240) | hsl(155, 38%, 94%) | oklch(96.0% 0.014 169) | |
| Sienna | #9B5F00 | rgb(155, 95, 0) | hsl(37, 100%, 30%) | oklch(54.0% 0.119 68) |
Why it works and how to use it
The palette holds together thanks to its complementary hue relationship and a strong light-to-dark ladder (94% down to 18% lightness). A natural fit for websites, presentations and branding.
- Background: Frost (#E9F5F0) is the lightest color, so it belongs on large surfaces.
- Text: Charcoal (#0F414D) on #E9F5F0 gives 9.97:1, passing WCAG AAA.
- Primary: Sienna (#9B5F00) is the most saturated mid-tone; use it for buttons and links (4.66:1 against the background, fine for UI elements).
- Accent: Cyan (#24B2CF) for highlights, badges and hover states.
2 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Charcoal on Frost at 9.97:1.
Preview on a real UI see how the palette feels in context
Design faster with Sienna & Cyan Field
A palette preview that turns four colors into a page, so you can judge hierarchy, contrast and mood before you commit.
Primary action SecondaryColor blindness simulation
Color-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.
Contrast check WCAG ratios between palette colors
| Pair | Sample | Ratio | Level |
|---|---|---|---|
#0F414D on #E9F5F0 | Aa | 9.97:1 | AAA |
#E9F5F0 on #9B5F00 | Aa | 4.66:1 | AA |
#0F414D on #24B2CF | Aa | 4.43:1 | AA large only |
#24B2CF on #E9F5F0 | Aa | 2.25:1 | Fail |
#0F414D on #9B5F00 | Aa | 2.14:1 | Fail |
#24B2CF on #9B5F00 | Aa | 2.07:1 | Fail |