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Holographic Cadmium

#f18b28
Notes

Holographic Cadmium (#F18B28) 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 (30°, 88%, 55%) 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
#f18b28
RGB
rgb(241, 139, 40)
HSL
hsl(30, 88%, 55%)
HWB
hwb(30 16% 5%)
OKLCH
oklch(73.2% 0.161 58.5)
HSV
hsv(30, 83%, 95%)
LAB
lab(67.52% 32.27 64.67)
LCH
lch(67.52% 72.27 63.48)
CMYK
cmyk(0%, 42%, 83%, 5%)

Etymology

Holographic
adjective

Greek hólos (whole) and graphé (writing) — adjectival suffix -ic. As a color modifier, holographic implies a saturated-and-multi-angle-shifting quality, the bright color of holographic-credit-card and trading-card dichroic-film 3D-image-reflection. Sits at the bright-and-shifting end of the grid, parallel to iridescent and prismatic in usage.

Cadmium
noun

The metallic element Cd — and cadmium orange, the cadmium-sulfoselenide pigment introduced in the 1840s as a more lightfast alternative to chrome and lead pigments. The color refers to fresh cadmium-orange paint in oil: a saturated, slightly red orange with the matte finish of mineral pigment in linseed oil. Brighter than chrome.

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.

#f18b28
Original
#aa9613
Protanopia
#c2ae28
Deuteranopia
#ff7478
Tritanopia
#9a9a9a
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
2.48:1
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
8.46:1

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