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Throbbing Tansy

#ef8d14
Notes

Throbbing Tansy (#EF8D14) is a true orange with a neon character. It sits at the high-saturation edge of its family. Use it sparingly, as signage, accent, or highlight against darker surfaces. Its HSL profile (33°, 87%, 51%) 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 azure. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#ef8d14
RGB
rgb(239, 141, 20)
HSL
hsl(33, 87%, 51%)
HWB
hwb(33 8% 6%)
OKLCH
oklch(73.2% 0.164 62.4)
HSV
hsv(33, 92%, 94%)
LAB
lab(67.62% 30.00 70.20)
LCH
lch(67.62% 76.34 66.86)
CMYK
cmyk(0%, 41%, 92%, 6%)

Etymology

Throbbing
adjective

Imitative-onomatopoeic origin — present-participle of throb, with sound-and-action mimicry. As a color modifier, throbbing implies a saturated-and-pulsing-and-resonant quality, the bright color of bass-drop-and-rave-light low-frequency rhythm-pulse emission. Sits at the bright-and-active end of the grid, parallel to pulsating and strobing in usage.

Tansy
noun

Tanacetum vulgare, the European composite-family perennial whose tight clusters of small yellow button-flowers were traditionally used as a strewing herb and insect repellent. The color refers to a fresh tansy bloom: a saturated, slightly green-shifted yellow with the matte finish of small clustered florets. Cooler than coltsfoot.

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

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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.

#ef8d14
Original
#ac9700
Protanopia
#c3ae16
Deuteranopia
#ff7679
Tritanopia
#999999
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
2.47:1
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
8.49:1

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