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Pleasant Pater Turquoise

#3fb0bb
Notes

Pleasant Pater Turquoise (#3FB0BB) 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 (185°, 50%, 49%) places it in the balanced 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
#3fb0bb
RGB
rgb(63, 176, 187)
HSL
hsl(185, 50%, 49%)
HWB
hwb(185 25% 27%)
OKLCH
oklch(69.9% 0.101 204.3)
P3
color(display-p3 0.3780 0.6810 0.7252)
HSV
hsv(185, 66%, 73%)
LAB
lab(66.28% -27.86 -14.96)
LCH
lch(66.28% 31.62 208.23)
CMYK
cmyk(66%, 6%, 0%, 27%)

Etymology

Pleasant
adjective

From the French plaisant, pleasing — used as a color modifier since the fifteenth century for hues that read as agreeable, the kind of color that wears well over a long viewing without becoming demanding or fatiguing. Pleasant green, pleasant rose: moderate saturation combined with optical comfort. Sits at the crisp-bucket alongside easy and calm.

Pater
modifier

Latin pater, father. As a color modifier, pater implies a Latin-father-and-paterfamilias-and-Pater-Noster quality, the visual register of Pater-Noster-and-Roman-paterfamilias hand-Latin-father-and-paterfamilias-and-Pater-Noster Pater-Noster-and-Roman-paterfamilias-and-Catholic-prayer pater-and-Latin-father surfaces under Pater-Noster-and-Roman-paterfamilias-and-Catholic-prayer Roman-Senate-and-Catholic-liturgy paterfamilias-light. Sits at the modifier-and-Latin end of the grid, parallel to mater and dux 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.

#3fb0bb
Original
#a2a9bc
Protanopia
#909bbb
Deuteranopia
#00b7b3
Tritanopia
#999999
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
2.58:1
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
8.14:1

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
##3FB0BB
Display P3
Display P3
color(display-p3 0.3780 0.6810 0.7252)
P3 has subtle headroomOKLCH chroma 0.101

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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