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Authoritative Riviera

#c6480a
Notes

Authoritative Riviera (#C6480A) is a true orange with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (20°, 90%, 41%) places it in the highly saturated band at a mid lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. For a confident two-color system, pair it with its complementary azure. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#c6480a
RGB
rgb(198, 72, 10)
HSL
hsl(20, 90%, 41%)
HWB
hwb(20 4% 22%)
OKLCH
oklch(56.8% 0.172 40.5)
P3
color(display-p3 0.7193 0.3160 0.1387)
HSV
hsv(20, 95%, 78%)
LAB
lab(47.84% 48.01 55.98)
LCH
lch(47.84% 73.75 49.38)
CMYK
cmyk(0%, 64%, 95%, 22%)

Etymology

Authoritative
adjective

Latin auctōritāt-, authority — adjectival suffix -ive. As a color modifier, authoritative implies a saturated-and-formal-imperative quality where the hue carries decisional weight and institutional credibility. Sits at the bold-and-authoritative end of the grid, parallel to commanding and magisterial in usage.

Riviera
noun

The Mediterranean coast — particularly the Italian Riviera between Genoa and the French border, where stucco facades are limewashed in the warm orange-tan of terra di Genova. Riviera as a color refers to the limewashed walls of a Camogli or Cinque Terre village: a soft, slightly muted warm orange-tan with the matte finish of weathered limewash.

Closest matches

The nearest named color in three reference sources, ranked by perceptual distance (ΔE76 in CIELAB). ΔE < 1 is imperceptible to most viewers; ΔE > 10 is clearly different. When two sources point to the same hex they’re merged into one tile; click any to open that color’s page.

Variations

Click any swatch to explore

Harmonies

Accessibility

Color-vision simulation

How this color appears to viewers with the four major color-vision-deficiency types. Computed via the Machado (2009) physiologically-based model. If a tile matches the original, the color reads the same to that viewer.

#c6480a
Original
#6d6000
Protanopia
#8c7c00
Deuteranopia
#da233e
Tritanopia
#5e5e5e
Achromatopsia
WCAG contrast

The color used as foreground text against pure white and pure black, with the contrast ratio and WCAG 2.1 grade. Aim for AA (4.5:1) for body text and AA Large (3:1) for 18 pt+ headlines; AAA (7:1) is the gold standard for long-form reading surfaces.

The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon White
4.85:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AA Largeon Black
4.33:1

Wide gamut

Display P3 representation

The CSS Color 4 wide-gamut form of this color. Both swatches render the same color on every display — the P3 form only diverges from sRGB when a designer pushes channels outside sRGB's reach.

sRGB hex
sRGB hex
##C6480A
Display P3
Display P3
color(display-p3 0.7193 0.3160 0.1387)
P3 has subtle headroomOKLCH chroma 0.172

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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