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Truthful Looped Topaz

#15c0b2
Notes

Truthful Looped Topaz (#15C0B2) is a true cyan with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (175°, 80%, 42%) 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 red. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#15c0b2
RGB
rgb(21, 192, 178)
HSL
hsl(175, 80%, 42%)
HWB
hwb(175 8% 25%)
OKLCH
oklch(72.8% 0.125 185.5)
HSV
hsv(175, 89%, 75%)
LAB
lab(70.22% -42.20 -4.19)
LCH
lch(70.22% 42.41 185.67)
CMYK
cmyk(89%, 0%, 7%, 25%)

Etymology

Truthful
adjective

Old English trēowth, truth — adjectival suffix -ful. As a color modifier, truthful implies a clear-and-honest-and-direct quality where the hue carries the visual register of accurate-and-faithful-representation declaration. Sits at the crisp-and-honest end of the grid, parallel to candid and honest in usage.

Looped
modifier

Old French loupe, loop. As a color modifier, looped implies a hand-looped-and-curled quality, the visual register of hand-looped-knit-and-rope hand-looped-and-curled knit-and-rope-and-cord hand-looped-and-curled-loop-and-curl surfaces under hand-looped-and-curled knit-and-rope-and-cord working light. Sits at the modifier-and-texture end of the grid, parallel to coiled and twined in usage.

Topaz
noun

A fluorine aluminum silicate gem, hardness 8 on the Mohs scale, mined for centuries in Ouro Preto, Brazil. Imperial topaz is the prized variety: a warm, slightly pink-shifted gold-orange with the high refractive index of a quality cut stone. Cooler than amber, brighter than honey, with the gem's signature internal fire when held to light. Named for the island of Topazos in the Red Sea, though that source produced peridot instead.

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.

#15c0b2
Original
#b5b5b2
Protanopia
#a1a5b4
Deuteranopia
#00c5bb
Tritanopia
#9b9b9b
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
2.28:1
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
9.21:1

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