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Phosphoric Topazio

#ccb335
Notes

Phosphoric Topazio (#CCB335) is a true amber with a warm character. It leans warm, pulling light toward red, orange, and yellow. Naturally inviting, it suits editorial and hospitality contexts. Its HSL profile (50°, 60%, 50%) places it in the balanced band at a mid lightness. It works across type, buttons, and borders, saturated enough to feel deliberate but balanced enough to not fight the rest of the palette. 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
#ccb335
RGB
rgb(204, 179, 53)
HSL
hsl(50, 60%, 50%)
HWB
hwb(50 21% 20%)
OKLCH
oklch(76.7% 0.141 97.5)
HSV
hsv(50, 74%, 80%)
LAB
lab(73.11% -4.28 63.64)
LCH
lch(73.11% 63.78 93.85)
CMYK
cmyk(0%, 12%, 74%, 20%)

Etymology

Phosphoric
adjective

Greek phōsphóros, light-bringer — adjectival suffix -ic. As a color modifier, phosphoric implies a saturated-and-cool-glow quality, the bright color of match-tip-strike and firefly phosphorus-emission luminescence. Sits at the bright-and-cool end of the grid, parallel to phosphorescent and fluorescent in usage.

Topazio
noun

The Italian word for topaz — used in Renaissance jewelry vocabulary and Italian fashion writing for the warm gold-yellow of imperial topaz. The color refers to a faceted Italian-cut topazio: a saturated, slightly cool deep gold-yellow with the gem's signature internal warmth. The Italian cousin of topaz.

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

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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.

#ccb335
Original
#c5af1f
Protanopia
#ccb73d
Deuteranopia
#dca59a
Tritanopia
#afafaf
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
2.09:1
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
10.07:1

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