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Rousing Riviera

#df820f
Notes

Rousing Riviera (#DF820F) is a true orange with a neon character. It sits at the high-saturation edge of its family. Use it sparingly, as signage, accent, or highlight against darker surfaces. Its HSL profile (33°, 87%, 47%) 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
#df820f
RGB
rgb(223, 130, 15)
HSL
hsl(33, 87%, 47%)
HWB
hwb(33 6% 13%)
OKLCH
oklch(69.2% 0.156 61.9)
P3
color(display-p3 0.8247 0.5274 0.2000)
HSV
hsv(33, 93%, 87%)
LAB
lab(63.09% 29.07 67.00)
LCH
lch(63.09% 73.03 66.55)
CMYK
cmyk(0%, 42%, 93%, 13%)

Etymology

Rousing
adjective

Old English rūsan, to rush — present-participle of rouse. As a color modifier, rousing implies a saturated-and-wakening-and-active quality, the bright color of dawn-chorus-and-morning-bell atmospheric-and-aural stimulation. Sits at the bright-and-active end of the grid, parallel to awakening and invigorating 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.

#df820f
Original
#9f8c00
Protanopia
#b5a111
Deuteranopia
#f46c6f
Tritanopia
#8d8d8d
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).
Failon White
2.86:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAAon Black
7.34:1

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
##DF820F
Display P3
Display P3
color(display-p3 0.8247 0.5274 0.2000)
P3 has subtle headroomOKLCH chroma 0.156

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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