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Effulgent Satyr Turquoise

#02b4e3
Notes

Effulgent Satyr Turquoise (#02B4E3) is a true cyan with a neon character. It sits at the high-saturation edge of its family. Use it sparingly, as signage, accent, or highlight against darker surfaces. Its HSL profile (193°, 98%, 45%) places it in the highly saturated band at a mid lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. 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
#02b4e3
RGB
rgb(2, 180, 227)
HSL
hsl(193, 98%, 45%)
HWB
hwb(193 1% 11%)
OKLCH
oklch(71.6% 0.136 225.2)
P3
color(display-p3 0.3162 0.6953 0.8716)
HSV
hsv(193, 99%, 89%)
LAB
lab(68.17% -21.58 -34.18)
LCH
lch(68.17% 40.42 237.74)
CMYK
cmyk(99%, 21%, 0%, 11%)

Etymology

Effulgent
adjective

Latin effulgēns, shining-out — present-participle of effulgere, sharing root with fulgor (lightning). As a color modifier, effulgent implies a saturated-and-radiating-light-out quality, the bright color of Renaissance-Madonna halo-and-aureole gold-leaf-and-pigment emission. Sits at the bright-and-saturated end of the grid, parallel to resplendent and radiant in usage.

Satyr
modifier

Greek σάτυρος, half-goat-and-Dionysian-companion. As a color modifier, satyr implies a half-goat-and-Dionysian-revel-and-pastoral quality, the visual register of Hellenic-Satyr-and-Dionysian-revel hand-half-goat-and-Dionysian-revel-and-pastoral Hellenic-Satyr-and-Dionysian-revel-and-Pan-pipes satyr-and-half-goat-and-Dionysian-revel surfaces under Hellenic-Satyr-and-Dionysian-revel-and-Pan-pipes Bacchic-procession-and-vine-leaf-crown Dionysian-revel-light. Sits at the modifier-and-myth end of the grid, parallel to faun and nymph 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.

#02b4e3
Original
#9ab0e5
Protanopia
#819ee2
Deuteranopia
#00c2c4
Tritanopia
#929292
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
2.43:1
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
8.64:1

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
##02B4E3
Display P3
Display P3
color(display-p3 0.3162 0.6953 0.8716)
P3 has subtle headroomOKLCH chroma 0.136

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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