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Smooth Tea

#137b4c
Notes

Smooth Tea (#137B4C) is a deep teal with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (153°, 73%, 28%) 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 magenta. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#137b4c
RGB
rgb(19, 123, 76)
HSL
hsl(153, 73%, 28%)
HWB
hwb(153 7% 52%)
OKLCH
oklch(51.6% 0.116 157.2)
P3
color(display-p3 0.2224 0.4751 0.3138)
HSV
hsv(153, 85%, 48%)
LAB
lab(45.39% -39.68 17.96)
LCH
lch(45.39% 43.55 155.65)
CMYK
cmyk(85%, 0%, 38%, 52%)

Etymology

Smooth
adjective

Old English smōþ, level, polished — used as a color modifier since the seventeenth century for hues that read as continuous without texture or break. Smooth tan, smooth gray: moderate saturation combined with optical evenness. Sits in the crisp-bucket alongside even.

Tea
noun

The processed leaves of Camellia sinensis, in either its assamica or sinensis variety. The color tea refers to the dried green tea leaves before brewing: a soft, slightly muted gray-green with the matte finish of withered and rolled foliage. Cooler than sage, warmer than matcha, with the ritual weight of a beverage drunk daily by half the world.

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.

#137b4c
Original
#7a7149
Protanopia
#6e684f
Deuteranopia
#007a6f
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
5.30:1
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
3.97:1

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
##137B4C
Display P3
Display P3
color(display-p3 0.2224 0.4751 0.3138)
P3 has subtle headroomOKLCH chroma 0.116

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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