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Methodical Amazonite

#15a8d0
Notes

Methodical Amazonite (#15A8D0) 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 (193°, 82%, 45%) 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
#15a8d0
RGB
rgb(21, 168, 208)
HSL
hsl(193, 82%, 45%)
HWB
hwb(193 8% 18%)
OKLCH
oklch(68.0% 0.124 223.4)
P3
color(display-p3 0.3049 0.6490 0.7994)
HSV
hsv(193, 90%, 82%)
LAB
lab(63.93% -21.24 -30.27)
LCH
lch(63.93% 36.97 234.94)
CMYK
cmyk(90%, 19%, 0%, 18%)

Etymology

Methodical
adjective

Greek méthodos, systematic-procedure — adjectival suffix -al. As a color modifier, methodical implies a clear-and-systematic-and-step-by-step quality where the hue carries the visual register of careful-procedure-followed design-element. Sits at the crisp-and-orderly end of the grid, parallel to orderly and organized in usage.

Amazonite
noun

A blue-green variety of microcline feldspar — colored by trace lead and water in its crystal structure. Mined since ancient times in the Russian Urals and now in Colorado, Madagascar, and Brazil. The color refers to a polished amazonite cabochon: a soft, slightly muted blue-green with the cloudy translucency of feldspar. Cooler than jade, warmer than cerulean, with the mineral-trade specificity of a stone named for the Amazon basin where it doesn't actually occur.

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.

#15a8d0
Original
#91a4d2
Protanopia
#7a94d0
Deuteranopia
#00b4b5
Tritanopia
#8c8c8c
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
2.78:1
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
7.54:1

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
##15A8D0
Display P3
Display P3
color(display-p3 0.3049 0.6490 0.7994)
P3 has subtle headroomOKLCH chroma 0.124

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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