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Cooling Freshet

#5d878c
Notes

Cooling Freshet (#5D878C) is a true cyan with an earthy character. It leans grounded and natural, the kind of color that plays well with wood, clay, linen, and warm neutrals. Its HSL profile (186°, 20%, 46%) places it in the muted band at a mid lightness. It works across type, buttons, and borders, saturated enough to feel deliberate but balanced enough to not fight the rest of the palette. 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
#5d878c
RGB
rgb(93, 135, 140)
HSL
hsl(186, 20%, 46%)
HWB
hwb(186 36% 45%)
OKLCH
oklch(59.5% 0.047 205.3)
P3
color(display-p3 0.4002 0.5250 0.5451)
HSV
hsv(186, 34%, 55%)
LAB
lab(53.54% -13.10 -7.31)
LCH
lch(53.54% 15.01 209.16)
CMYK
cmyk(34%, 4%, 0%, 45%)

Etymology

Cooling
adjective

Old English cōl, cool — present-participle of cool. As a color modifier, cooling implies a hushed-and-tone-reducing-and-cooling quality where the hue carries the visual register of evening-dusk gradually-cooling atmospheric-light color-temperature shift. Sits at the hushed-and-soft end of the grid, parallel to softening and quieting in usage.

Freshet
noun

A sudden flood of fresh water — particularly the spring runoff of melting mountain snow into rivers. Freshet color refers to a freshet-swollen mountain river in late April: a soft, slightly cool deep blue-white with the optical complexity of snowmelt-suspended sediment.

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.

#5d878c
Original
#81848c
Protanopia
#787d8c
Deuteranopia
#4c8a88
Tritanopia
#7e7e7e
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).
AA Largeon White
3.96:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
5.31:1

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
##5D878C
Display P3
Display P3
color(display-p3 0.4002 0.5250 0.5451)
Inside sRGBOKLCH chroma 0.047

This color sits well within the sRGB cube. P3 and sRGB share the gray axis and most desaturated tones, so a P3 display renders this identically to an sRGB display.

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