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Effervescent Wheat

#ed900a
Notes

Effervescent Wheat (#ED900A) is a true amber 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 (35°, 92%, 48%) 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
#ed900a
RGB
rgb(237, 144, 10)
HSL
hsl(35, 92%, 48%)
HWB
hwb(35 4% 7%)
OKLCH
oklch(73.4% 0.163 65.3)
HSV
hsv(35, 96%, 93%)
LAB
lab(68.00% 27.49 72.04)
LCH
lch(68.00% 77.11 69.12)
CMYK
cmyk(0%, 39%, 96%, 7%)

Etymology

Effervescent
adjective

Latin effervēscēns, boiling-out — present-participle of effervesce, sharing root with fervere (to boil). As a color modifier, effervescent implies a saturated-and-bubbling-and-active quality, the bright color of Champagne-and-Prosecco effervescent-wine carbonation-bubble-light reflection. Sits at the bright-and-effervescent end of the grid, parallel to fizzy and sparkling in usage.

Wheat
noun

Triticum, the grass domesticated in the Levant ten thousand years ago and now grown on more land than any other crop. The color refers to a field of mature wheat just before harvest: a soft, slightly golden tan with the dry surface of ripening grain. Warmer than straw, lighter than honey, with the agricultural weight of every bread-eating civilization.

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.

#ed900a
Original
#ae9900
Protanopia
#c4ae0f
Deuteranopia
#ff7a7b
Tritanopia
#9a9a9a
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
2.44:1
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
8.59:1

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