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Awakening Santolina

#66e58b
Notes

Awakening Santolina (#66E58B) is a true green with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (137°, 71%, 65%) 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 magenta. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#66e58b
RGB
rgb(102, 229, 139)
HSL
hsl(137, 71%, 65%)
HWB
hwb(137 40% 10%)
OKLCH
oklch(82.8% 0.170 150.6)
P3
color(display-p3 0.5355 0.8870 0.5785)
HSV
hsv(137, 55%, 90%)
LAB
lab(82.23% -54.56 33.50)
LCH
lch(82.23% 64.02 148.45)
CMYK
cmyk(55%, 0%, 39%, 10%)

Etymology

Awakening
adjective

Old English āwacnian, to awaken — present-participle of awaken. As a color modifier, awakening implies a saturated-and-rousing-and-fresh quality, the bright color of spring-dawn and first-light atmospheric-stimulation. Sits at the bright-and-active end of the grid, parallel to quickening and rousing in usage.

Santolina
noun

The genus Santolina — Mediterranean cotton-lavender, dry-garden silver-foliage shrubs commonly clipped into low formal hedges. The color refers to mature S. chamaecyparissus foliage: a soft, slightly cool gray-green with the matte velvet finish of needle-shaped silver leaves. Drier than artemisia.

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.

#66e58b
Original
#e6d485
Protanopia
#d5c891
Deuteranopia
#46e2cf
Tritanopia
#c4c4c4
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
1.60:1
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
13.15:1

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
##66E58B
Display P3
Display P3
color(display-p3 0.5355 0.8870 0.5785)
P3 has subtle headroomOKLCH chroma 0.170

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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