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Invigorating Forsythia

#cfcd27
Notes

Invigorating Forsythia (#CFCD27) is a true yellow with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (59°, 68%, 48%) 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 blue. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#cfcd27
RGB
rgb(207, 205, 39)
HSL
hsl(59, 68%, 48%)
HWB
hwb(59 15% 19%)
OKLCH
oklch(82.4% 0.170 108.9)
P3
color(display-p3 0.8104 0.8042 0.3002)
HSV
hsv(59, 81%, 81%)
LAB
lab(80.22% -16.77 74.45)
LCH
lch(80.22% 76.31 102.69)
CMYK
cmyk(0%, 1%, 81%, 19%)

Etymology

Invigorating
adjective

Latin vigor, vigor — present-participle of invigorate, sharing root with vigil (watchfulness). As a color modifier, invigorating implies a saturated-and-life-giving-and-energizing quality where the hue increases visual-and-physical vitality. Sits at the bright-and-active end of the grid, parallel to stimulating and bracing in usage.

Forsythia
noun

Forsythia × intermedia, the East Asian shrub naturalized in European gardens — and the bright yellow flowers that cover bare branches in early spring before the leaves emerge. The color refers to a fresh Forsythia bloom in March: a saturated, slightly red-shifted bright yellow with the matte finish of small four-petaled flowers covering an entire shrub.

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.

#cfcd27
Original
#dec400
Protanopia
#e1c937
Deuteranopia
#debfaf
Tritanopia
#c1c1c1
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
1.69:1
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
12.41:1

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
##CFCD27
Display P3
Display P3
color(display-p3 0.8104 0.8042 0.3002)
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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