What are the hex codes in the Sienna & Cyan Field palette?

The Sienna & Cyan Field color palette consists of Charcoal #0F414D, Cyan #24B2CF, Frost #E9F5F0, Sienna #9B5F00.

How should I use the Sienna & Cyan Field palette on a website?

Use Frost #E9F5F0 as the background, Charcoal #0F414D for text, Sienna #9B5F00 for buttons and links, and Cyan #24B2CF for accents. 2 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Charcoal on Frost at 9.97:1.

Which colors in Sienna & Cyan Field have enough contrast for text?

The highest-contrast pair is #0F414D on #E9F5F0 with a ratio of 9.97:1, which passes WCAG AA for normal text.

#0F414DCharcoal

#24B2CFCyan

#E9F5F0Frost

#9B5F00Sienna

Sienna & Cyan Field color palette

Modern Teal White

Color codes click any value to copy

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

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.

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

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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 Secondary

Card title

Roles are assigned by lightness.

Color blindness simulation

#0F414D

#24B2CF

#E9F5F0

#9B5F00

Color-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.

Palette card

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

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