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Hemmed Omen Turquoise

#0caeba
Notes

Hemmed Omen Turquoise (#0CAEBA) is a true cyan with a cool character. It leans cool, sitting on the blue, green, and violet side of the wheel. Quiet and dependable, a fit for product UI and data visualization. Its HSL profile (184°, 88%, 39%) 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
#0caeba
RGB
rgb(12, 174, 186)
HSL
hsl(184, 88%, 39%)
HWB
hwb(184 5% 27%)
OKLCH
oklch(68.5% 0.115 203.6)
P3
color(display-p3 0.3098 0.6721 0.7205)
HSV
hsv(184, 94%, 73%)
LAB
lab(64.88% -31.94 -16.60)
LCH
lch(64.88% 35.99 207.47)
CMYK
cmyk(94%, 6%, 0%, 27%)

Etymology

Hemmed
adjective

Old English hem, border — past-participle of hem. As a color modifier, hemmed implies a clear-and-finished-and-bordered quality where the hue carries the visual register of carefully-hemmed-and-finished textile-edge. Sits at the crisp-and-finished end of the grid, parallel to trim and finished in usage.

Omen
modifier

Latin omen, prophetic-sign-or-portent. As a color modifier, omen implies a prophetic-sign-and-augur-and-portent quality, the visual register of Roman-augur-omen-and-Etruscan-haruspex hand-prophetic-sign-and-augur-and-portent Roman-augur-omen-and-Etruscan-haruspex-and-bird-flight omen-and-prophetic-sign-and-augur surfaces under Roman-augur-omen-and-Etruscan-haruspex-and-bird-flight Capitoline-Hill-and-Etruscan-templum prophetic-sign-light. Sits at the modifier-and-myth end of the grid, parallel to sigil 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.

#0caeba
Original
#9fa6bb
Protanopia
#8a97ba
Deuteranopia
#00b6b1
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
2.70:1
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
7.78:1

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
##0CAEBA
Display P3
Display P3
color(display-p3 0.3098 0.6721 0.7205)
P3 has subtle headroomOKLCH chroma 0.115

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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