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Modest Aqua

#23717a
Notes

Modest Aqua (#23717A) is a deep 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°, 55%, 31%) places it in the balanced band at a dark lightness. It works well as a headline, icon, or deep background in an otherwise light layout, pairing cleanly with cream, bone, and warm neutrals. 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
#23717a
RGB
rgb(35, 113, 122)
HSL
hsl(186, 55%, 31%)
HWB
hwb(186 14% 52%)
OKLCH
oklch(50.6% 0.075 206.1)
HSV
hsv(186, 71%, 48%)
LAB
lab(43.61% -20.05 -11.84)
LCH
lch(43.61% 23.28 210.57)
CMYK
cmyk(71%, 7%, 0%, 52%)

Etymology

Modest
adjective

Latin modestus, moderate — used as a color modifier since the sixteenth century for hues that read as understated and unwilling to claim more visual space than they need. Modest taupe, modest beige: moderate-to-low saturation combined with optical restraint. Sits at the crisp-and-quiet edge of the grid alongside quiet and plain.

Aqua
noun

Latin for water, borrowed into English as a color name in the early twentieth century — initially for the pale blue-green of swimming pools and tropical seas. The color refers to a clear-bottomed swimming pool in midday sun: a clean, slightly green-shifted light blue with the optical clarity of filtered water. Cooler than seafoam, lighter than turquoise, with the mid-century weight of a word that paints itself across postwar interior decor.

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

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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.

#23717a
Original
#676c7b
Protanopia
#5b637a
Deuteranopia
#007674
Tritanopia
#616161
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).
AAon White
5.65:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AA Largeon Black
3.71:1

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