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Dynamic Uvarovite

#3fb911
Notes

Dynamic Uvarovite (#3FB911) 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 (104°, 83%, 40%) 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 violet. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#3fb911
RGB
rgb(63, 185, 17)
HSL
hsl(104, 83%, 40%)
HWB
hwb(104 7% 27%)
OKLCH
oklch(69.0% 0.216 139.8)
P3
color(display-p3 0.3915 0.7157 0.2240)
HSV
hsv(104, 91%, 73%)
LAB
lab(66.36% -60.12 64.19)
LCH
lch(66.36% 87.95 133.12)
CMYK
cmyk(66%, 0%, 91%, 27%)

Etymology

Dynamic
adjective

From the Greek dynamis, power — used as a color modifier since the late nineteenth century for hues that read as energetic and active. Dynamic red, dynamic orange: the implication is saturation combined with optical motion. Sits at the bright-bucket center alongside vibrant and lively.

Uvarovite
noun

A chromium-rich green garnet — mined principally in the Russian Urals, Finland, and Quebec. Named for Russian Count Sergei Semenovich Uvarov. The color refers to drusy uvarovite crystals on chromite matrix: a saturated, slightly cool deep emerald-green with the gem's signature internal fire.

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.

#3fb911
Original
#bea700
Protanopia
#b09e2c
Deuteranopia
#2bb39d
Tritanopia
#939393
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
2.57:1
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
8.16:1

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
##3FB911
Display P3
Display P3
color(display-p3 0.3915 0.7157 0.2240)
P3 has visible headroomOKLCH chroma 0.216

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

Canvas