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Candid Luna Lagoon

#30b7dc
Notes

Candid Luna Lagoon (#30B7DC) 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 (193°, 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
#30b7dc
RGB
rgb(48, 183, 220)
HSL
hsl(193, 71%, 53%)
HWB
hwb(193 19% 14%)
OKLCH
oklch(72.5% 0.122 221.2)
P3
color(display-p3 0.3630 0.7075 0.8469)
HSV
hsv(193, 78%, 86%)
LAB
lab(69.23% -22.94 -28.67)
LCH
lch(69.23% 36.72 231.34)
CMYK
cmyk(78%, 17%, 0%, 14%)

Etymology

Candid
adjective

Latin candidus, bright-white / honest — derived from candēre (to shine). As a color modifier, candid implies a clear-and-honest-and-direct quality where the hue carries the visual register of straightforward-honest declaration. Sits at the crisp-and-honest end of the grid, parallel to frank and plainspoken in usage.

Luna
modifier

Latin luna, moon. As a color modifier, luna implies a moonlit-and-silver-and-pale-night quality, the visual register of full-moon-and-Selene-Diana-Luna hand-moonlit-and-silver-and-pale-night full-moon-and-Selene-Diana-Luna-and-Mare-Tranquillitatis luna-and-moonlit-and-silver-and-pale-night surfaces under full-moon-and-Selene-Diana-Luna-and-Mare-Tranquillitatis night-meadow-and-tarn-and-monastic-cloister silver-night-light. Sits at the modifier-and-cosmic end of the grid, parallel to sol and terra in usage.

Lagoon
noun

A shallow body of saltwater partially or fully enclosed by a barrier — coral atoll lagoons in the Pacific, Venice's Laguna Veneta, the Florida Keys' backcountry. The color refers to the average reflectance of a calm tropical lagoon at midday: a saturated, slightly muted blue-green with the optical clarity of shallow water over white sand. Brighter than reef, cooler than aquamarine, with the postcard weight of a Pacific atoll seen from above.

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.

#30b7dc
Original
#a1b2de
Protanopia
#8aa2dc
Deuteranopia
#00c3c3
Tritanopia
#9d9d9d
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
2.35:1
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
8.93:1

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
##30B7DC
Display P3
Display P3
color(display-p3 0.3630 0.7075 0.8469)
P3 has subtle headroomOKLCH chroma 0.122

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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