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Useful Topazio

#9d8540
Notes

Useful Topazio (#9D8540) is a true amber with an earthy character. It leans grounded and natural, the kind of color that plays well with wood, clay, linen, and warm neutrals. Its HSL profile (45°, 42%, 43%) 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
#9d8540
RGB
rgb(157, 133, 64)
HSL
hsl(45, 42%, 43%)
HWB
hwb(45 25% 38%)
OKLCH
oklch(62.4% 0.093 90.4)
P3
color(display-p3 0.6003 0.5250 0.2922)
HSV
hsv(45, 59%, 62%)
LAB
lab(56.40% 0.49 39.96)
LCH
lch(56.40% 39.96 89.30)
CMYK
cmyk(0%, 15%, 59%, 38%)

Etymology

Useful
adjective

Latin ūsus, use — adjectival suffix -ful. As a color modifier, useful implies a clear-and-purpose-serving quality where the hue carries the visual register of helpful-and-supporting design-element. Sits at the crisp-and-functional end of the grid, parallel to practical and serviceable 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

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.

#9d8540
Original
#928339
Protanopia
#988a43
Deuteranopia
#a97b75
Tritanopia
#858585
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).
AA Largeon White
3.58:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
5.86:1

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
##9D8540
Display P3
Display P3
color(display-p3 0.6003 0.5250 0.2922)
P3 has subtle headroomOKLCH chroma 0.093

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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