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Aglow Galapagos

#51fae4
Notes

Aglow Galapagos (#51FAE4) 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 (172°, 94%, 65%) 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
#51fae4
RGB
rgb(81, 250, 228)
HSL
hsl(172, 94%, 65%)
HWB
hwb(172 32% 2%)
OKLCH
oklch(89.4% 0.140 182.6)
P3
color(display-p3 0.5245 0.9672 0.8947)
HSV
hsv(172, 68%, 98%)
LAB
lab(89.73% -47.90 -2.07)
LCH
lch(89.73% 47.94 182.47)
CMYK
cmyk(68%, 0%, 9%, 2%)

Etymology

Aglow
adjective

Old English on-glōwan, on-glow — sharing root with glow and gleam. As a color modifier, aglow implies a saturated-and-lit-from-within quality, the bright color of fireplace-and-jack-o-lantern interior-glow-lit warm-light emission against ambient darkness. Sits at the bright-and-warm end of the grid, parallel to glowing and aflame in usage.

Galapagos
noun

The Ecuadorian volcanic archipelago — Darwin's evolutionary laboratory — and the saturated blue-green of Galapagos lagoon water at Bartolomé Island. Galapagos refers to the cove at Bartolomé: a saturated, slightly cool deep blue-green with the optical clarity of cold Pacific upwelling waters.

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.

#51fae4
Original
#efece3
Protanopia
#d7dae6
Deuteranopia
#00fff3
Tritanopia
#d4d4d4
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
1.30:1
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
16.14:1

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
##51FAE4
Display P3
Display P3
color(display-p3 0.5245 0.9672 0.8947)
P3 has subtle headroomOKLCH chroma 0.140

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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