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Holographic Sand

#eccf33
Notes

Holographic Sand (#ECCF33) is a true amber with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (51°, 83%, 56%) 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 blue. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#eccf33
RGB
rgb(236, 207, 51)
HSL
hsl(51, 83%, 56%)
HWB
hwb(51 20% 7%)
OKLCH
oklch(85.4% 0.164 97.9)
HSV
hsv(51, 78%, 93%)
LAB
lab(83.28% -5.06 74.75)
LCH
lch(83.28% 74.92 93.87)
CMYK
cmyk(0%, 12%, 78%, 7%)

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.

Sand
noun

Quartz weathered to grain — the residue of geologic time at the granular scale. Beach sand color depends entirely on the source: white from Caribbean coral, black from Hawaiian basalt, red from Australian iron oxide. The reference shade is the warm, slightly golden tan of a temperate Atlantic beach: medium-saturation, matte, with the optical brightness of small mineral particles in sunlight.

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.

#eccf33
Original
#e4ca05
Protanopia
#ecd43f
Deuteranopia
#ffbfb2
Tritanopia
#cacaca
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
1.55:1
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
13.54:1

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