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Plainspoken Norn Turquoise

#19b5cc
Notes

Plainspoken Norn Turquoise (#19B5CC) 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 (188°, 78%, 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
#19b5cc
RGB
rgb(25, 181, 204)
HSL
hsl(188, 78%, 45%)
HWB
hwb(188 10% 20%)
OKLCH
oklch(71.0% 0.120 211.2)
P3
color(display-p3 0.3319 0.6993 0.7878)
HSV
hsv(188, 88%, 80%)
LAB
lab(67.73% -28.94 -22.21)
LCH
lch(67.73% 36.48 217.50)
CMYK
cmyk(88%, 11%, 0%, 20%)

Etymology

Plainspoken
adjective

English compound plain + spoken — past-participle of speak. As a color modifier, plainspoken implies a clear-and-direct-and-straightforward quality where the hue carries the visual register of unembellished-honest declaration. Sits at the crisp-and-honest end of the grid, parallel to candid and direct in usage.

Norn
modifier

Old Norse norn, Norse-fate-weaver. As a color modifier, norn implies a Norse-fate-weaver-and-Urd-Verdandi-Skuld quality, the visual register of Norse-Norns-and-Urd-Verdandi-Skuld hand-Norse-fate-weaver-and-Urd-Verdandi-Skuld Norse-Norns-and-Urd-Verdandi-Skuld-and-Yggdrasil-roots norn-and-Norse-fate-weaver surfaces under Norse-Norns-and-Urd-Verdandi-Skuld-and-Yggdrasil-roots Well-of-Urd-and-loom-of-fate fate-weaver-light. Sits at the modifier-and-myth end of the grid, parallel to vala and rune in usage.

Turquoise
noun

The hydrated copper-aluminum phosphate mined in Persia and the American Southwest for thousands of years — the firuze of Iran, the chalchihuitl of Mesoamerica, the heart of Pueblo and Navajo silverwork. The color refers to a fine Sleeping Beauty turquoise from Arizona: a saturated, slightly green-shifted blue with the slight matrix of host-rock veining. Brighter than persian, lighter than cerulean.

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.

#19b5cc
Original
#a3aecd
Protanopia
#8c9ecc
Deuteranopia
#00bfbc
Tritanopia
#959595
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
2.46:1
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
8.52:1

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
##19B5CC
Display P3
Display P3
color(display-p3 0.3319 0.6993 0.7878)
P3 has subtle headroomOKLCH chroma 0.120

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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