colors
Back to gallery

Sanitary Cape Topaz

#33c7c0
Notes

Sanitary Cape Topaz (#33C7C0) 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 (177°, 59%, 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
#33c7c0
RGB
rgb(51, 199, 192)
HSL
hsl(177, 59%, 49%)
HWB
hwb(177 20% 22%)
OKLCH
oklch(75.4% 0.119 190.1)
P3
color(display-p3 0.3939 0.7694 0.7496)
HSV
hsv(177, 74%, 78%)
LAB
lab(73.12% -38.88 -7.49)
LCH
lch(73.12% 39.59 190.91)
CMYK
cmyk(74%, 0%, 4%, 22%)

Etymology

Sanitary
adjective

Latin sānitās, health — adjectival suffix -ary. As a color modifier, sanitary implies a clear-and-clean-and-medical quality, the crisp color of Bauhaus-and-Modern clinical-and-hospital interior-architecture white-tile-and-stainless-steel surfaces. Sits at the crisp-and-clean end of the grid, parallel to hygienic and sterile in usage.

Cape
modifier

Latin cappa, hooded-cloak. As a color modifier, cape implies a hooded-cloak-and-shoulder-cape quality, the visual register of Spanish-capa-and-Italian-cappa-magna hand-hooded-cloak-and-shoulder-cape Spanish-capa-and-Italian-cappa-magna-and-Portuguese-capa cape-and-hooded-cloak-and-shoulder-cape surfaces under Spanish-capa-and-Italian-cappa-magna-and-Portuguese-capa Iberian-and-Italian-Renaissance Iberian-cape-light. Sits at the modifier-and-textile end of the grid, parallel to cloak and cope in usage.

Topaz
noun

A fluorine aluminum silicate gem, hardness 8 on the Mohs scale, mined for centuries in Ouro Preto, Brazil. Imperial topaz is the prized variety: a warm, slightly pink-shifted gold-orange with the high refractive index of a quality cut stone. Cooler than amber, brighter than honey, with the gem's signature internal fire when held to light. Named for the island of Topazos in the Red Sea, though that source produced peridot instead.

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.

#33c7c0
Original
#bbbcc0
Protanopia
#a6adc1
Deuteranopia
#00ccc5
Tritanopia
#a7a7a7
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
2.09:1
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
10.07:1

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
##33C7C0
Display P3
Display P3
color(display-p3 0.3939 0.7694 0.7496)
P3 has subtle headroomOKLCH chroma 0.119

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.

Related Colors

Canvas