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Vibrant Tokiwa

#28ae1e
Notes

Vibrant Tokiwa (#28AE1E) 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 (116°, 71%, 40%) 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 violet. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#28ae1e
RGB
rgb(40, 174, 30)
HSL
hsl(116, 71%, 40%)
HWB
hwb(116 12% 32%)
OKLCH
oklch(65.6% 0.208 142.1)
P3
color(display-p3 0.3364 0.6726 0.2289)
HSV
hsv(116, 83%, 68%)
LAB
lab(62.35% -60.24 57.65)
LCH
lch(62.35% 83.39 136.26)
CMYK
cmyk(77%, 0%, 83%, 32%)

Etymology

Vibrant
adjective

From the Latin vibrare, to shake — used as a color word since the seventeenth century for hues that read as alive and resonant. Vibrant orange, vibrant green: the implication is saturation combined with the optical impression of slight motion or energy. Sits at the bright-bucket center alongside vivid and lively.

Tokiwa
noun

Japanese for evergreen — literally eternal rock — used for the deep green of Pinus and Cryptomeria foliage that persists through winter. Tokiwa-iro signals stability and longevity in Japanese symbolic-color vocabulary. The color refers to a Japanese cedar in midwinter: a deep, slightly cool dark green with the matte finish of resin-coated needle foliage.

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.

#28ae1e
Original
#b29d00
Protanopia
#a49331
Deuteranopia
#00a994
Tritanopia
#878787
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
2.93:1
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
7.16:1

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
##28AE1E
Display P3
Display P3
color(display-p3 0.3364 0.6726 0.2289)
P3 has visible headroomOKLCH chroma 0.208

This color is chromatic enough that authoring it as P3 native (instead of clamping to sRGB) gives a perceptibly more saturated render on wide-gamut displays — modern Macs, iPhones, iPads, and most recent OLED laptops.

Related Colors

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