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Coruscating Daffodil

#acbc2d
Notes

Coruscating Daffodil (#ACBC2D) is a true yellow with a warm character. It leans warm, pulling light toward red, orange, and yellow. Naturally inviting, it suits editorial and hospitality contexts. Its HSL profile (67°, 61%, 46%) 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
#acbc2d
RGB
rgb(172, 188, 45)
HSL
hsl(67, 61%, 46%)
HWB
hwb(67 18% 26%)
OKLCH
oklch(75.8% 0.159 116.0)
HSV
hsv(67, 76%, 74%)
LAB
lab(72.84% -22.96 65.15)
LCH
lch(72.84% 69.08 109.42)
CMYK
cmyk(9%, 0%, 76%, 26%)

Etymology

Coruscating
adjective

Latin coruscāns, flashing — present-participle of coruscāre. As a color modifier, coruscating implies a saturated-and-rapidly-flashing quality, the bright color of lightning-strike atmospheric-electrical-discharge against the night-sky. Sits at the bright-and-flashing end of the grid, parallel to flashing and flickering in usage.

Daffodil
noun

Narcissus pseudonarcissus, the wild daffodil of British and European woodland. The color is the trumpet-shaped corona of a fully open daffodil at peak spring: a saturated, slightly orange-shifted yellow with the satiny finish of waxy petal tissue. Warmer than lemon, brighter than buttercup, with the seasonal weight of a flower that arrives before the trees have leaves.

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.

#acbc2d
Original
#c9b206
Protanopia
#c8b43a
Deuteranopia
#b7b1a1
Tritanopia
#aeaeae
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
2.10:1
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
9.99:1

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