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Awakening Senecio

#40da9a
Notes

Awakening Senecio (#40DA9A) 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 (155°, 68%, 55%) 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
#40da9a
RGB
rgb(64, 218, 154)
HSL
hsl(155, 68%, 55%)
HWB
hwb(155 25% 15%)
OKLCH
oklch(79.3% 0.158 161.0)
P3
color(display-p3 0.4450 0.8431 0.6228)
HSV
hsv(155, 71%, 85%)
LAB
lab(78.21% -54.58 20.19)
LCH
lch(78.21% 58.20 159.70)
CMYK
cmyk(71%, 0%, 29%, 15%)

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.

Senecio
noun

The genus Senecio — particularly the silver-leaved succulents (S. cineraria, S. mandraliscae) used in Mediterranean and California gardens. The color refers to fresh Senecio cineraria foliage: a soft, slightly cool pale silver-green with the matte velvet finish of dense leaf hair.

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.

#40da9a
Original
#d7ca96
Protanopia
#c3bc9e
Deuteranopia
#00d9c9
Tritanopia
#b5b5b5
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
1.79:1
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
11.71:1

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
##40DA9A
Display P3
Display P3
color(display-p3 0.4450 0.8431 0.6228)
P3 has subtle headroomOKLCH chroma 0.158

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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