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Rousing Tyr Turquoise

#30dcd3
Notes

Rousing Tyr Turquoise (#30DCD3) is a true cyan with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (177°, 71%, 53%) 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
#30dcd3
RGB
rgb(48, 220, 211)
HSL
hsl(177, 71%, 53%)
HWB
hwb(177 19% 14%)
OKLCH
oklch(81.1% 0.132 189.4)
P3
color(display-p3 0.4254 0.8505 0.8241)
HSV
hsv(177, 78%, 86%)
LAB
lab(79.90% -43.23 -7.66)
LCH
lch(79.90% 43.90 190.05)
CMYK
cmyk(78%, 0%, 4%, 14%)

Etymology

Rousing
adjective

Old English rūsan, to rush — present-participle of rouse. As a color modifier, rousing implies a saturated-and-wakening-and-active quality, the bright color of dawn-chorus-and-morning-bell atmospheric-and-aural stimulation. Sits at the bright-and-active end of the grid, parallel to awakening and invigorating in usage.

Tyr
modifier

Old Norse Týr, one-handed-god-of-justice-and-war. As a color modifier, tyr implies a one-handed-god-and-Fenrir-binding-and-justice quality, the visual register of Norse-Tyr-and-Fenrir-binding hand-one-handed-god-and-Fenrir-binding-and-justice Norse-Tyr-and-Fenrir-binding-and-Tiwaz-rune tyr-and-one-handed-god-and-Fenrir-binding surfaces under Norse-Tyr-and-Fenrir-binding-and-Tiwaz-rune Asgard-pantheon-and-Tiwaz-rune-stone justice-and-binding-light. Sits at the modifier-and-myth end of the grid, parallel to thor and odin 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.

#30dcd3
Original
#cfd0d3
Protanopia
#b8bfd4
Deuteranopia
#00e2d9
Tritanopia
#b7b7b7
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
1.71:1
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
12.30:1

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
##30DCD3
Display P3
Display P3
color(display-p3 0.4254 0.8505 0.8241)
P3 has subtle headroomOKLCH chroma 0.132

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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