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Hyper Reservoir

#1fe4eb
Notes

Hyper Reservoir (#1FE4EB) 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 (182°, 84%, 52%) 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
#1fe4eb
RGB
rgb(31, 228, 235)
HSL
hsl(182, 84%, 52%)
HWB
hwb(182 12% 8%)
OKLCH
oklch(83.6% 0.139 198.9)
HSV
hsv(182, 87%, 92%)
LAB
lab(82.79% -41.11 -16.12)
LCH
lch(82.79% 44.16 201.42)
CMYK
cmyk(87%, 3%, 0%, 8%)

Etymology

Hyper
adjective

Greek hyper, over / beyond — sharing root with Latin super. As a color modifier, hyper implies a saturated-and-over-the-top-active quality where the hue exceeds normal visual amplitude with maximum-stimulation register. Sits at the bright-and-over-active end of the grid, parallel to manic and frenetic in usage.

Reservoir
noun

A constructed body of water — particularly the dam-impounded reservoirs of arid-region water supply: Lake Mead, Hetch Hetchy, Lake Powell. Reservoir color refers to mid-depth Lake Mead water: a saturated, slightly cool deep blue with the optical depth of stored desert water.

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.

#1fe4eb
Original
#d3d9ec
Protanopia
#b9c6ec
Deuteranopia
#00ede6
Tritanopia
#bbbbbb
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
1.57:1
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
13.36:1

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