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Stimulating Seychelles

#21c992
Notes

Stimulating Seychelles (#21C992) is a true teal with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (160°, 72%, 46%) 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
#21c992
RGB
rgb(33, 201, 146)
HSL
hsl(160, 72%, 46%)
HWB
hwb(160 13% 21%)
OKLCH
oklch(74.3% 0.152 164.2)
HSV
hsv(160, 84%, 79%)
LAB
lab(72.34% -53.32 16.22)
LCH
lch(72.34% 55.73 163.08)
CMYK
cmyk(84%, 0%, 27%, 21%)

Etymology

Stimulating
adjective

Latin stimulāns, spurring on — present-participle of stimulate, derived from stimulus (a goad). As a color modifier, stimulating implies a saturated-and-arousing-and-attentive quality where the hue increases visual-and-cognitive engagement. Sits at the bright-and-active end of the grid, parallel to invigorating and bracing in usage.

Seychelles
noun

The Indian Ocean granite-island archipelago — and the saturated turquoise of Seychellois lagoons at Anse Source d'Argent on La Digue. Seychelles refers to the granite-and-water boundary at Anse Source d'Argent: a saturated, slightly cool deep blue-green with the optical complexity of shallow water over weathered granite.

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.

#21c992
Original
#c5ba8f
Protanopia
#b2ac96
Deuteranopia
#00c9ba
Tritanopia
#a1a1a1
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
2.14:1
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
9.83:1

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