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Spotlit Tropics

#18f1cd
Notes

Spotlit Tropics (#18F1CD) is a true teal 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 (170°, 89%, 52%) 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
#18f1cd
RGB
rgb(24, 241, 205)
HSL
hsl(170, 89%, 52%)
HWB
hwb(170 9% 5%)
OKLCH
oklch(85.7% 0.157 176.4)
HSV
hsv(170, 90%, 95%)
LAB
lab(85.76% -55.24 4.06)
LCH
lch(85.76% 55.39 175.80)
CMYK
cmyk(90%, 0%, 15%, 5%)

Etymology

Spotlit
adjective

English compound spot + lit — past-participle of spotlight. As a color modifier, spotlit implies a saturated-and-narrow-beam-illuminated quality, the bright color of theatrical-stage-and-museum-display directed-spotlight focused-beam illumination. Sits at the bright-and-saturated end of the grid, parallel to sunlit and brilliant in usage.

Tropics
noun

The Earth's equatorial belt between the Tropic of Cancer and the Tropic of Capricorn — the region of the world where the sun reaches direct overhead at some point of the year. Tropics refers to the unifying blue-green of tropical-zone ocean and lagoon water: a saturated, slightly cool deep blue-green.

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

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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.

#18f1cd
Original
#e7e1cb
Protanopia
#cfcfd0
Deuteranopia
#00f4e6
Tritanopia
#c0c0c0
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
1.45:1
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
14.50:1

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Canvas