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Awakening Warbler

#acb607
Notes

Awakening Warbler (#ACB607) is a true yellow with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (63°, 93%, 37%) 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 blue. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#acb607
RGB
rgb(172, 182, 7)
HSL
hsl(63, 93%, 37%)
HWB
hwb(63 3% 29%)
OKLCH
oklch(74.3% 0.165 113.7)
HSV
hsv(63, 96%, 71%)
LAB
lab(71.04% -20.99 71.60)
LCH
lch(71.04% 74.61 106.34)
CMYK
cmyk(5%, 0%, 96%, 29%)

Etymology

Awakening
adjective

Old English āwacnian, to awaken — present-participle of awaken. As a color modifier, awakening implies a saturated-and-rousing-and-fresh quality, the bright color of spring-dawn and first-light atmospheric-stimulation. Sits at the bright-and-active end of the grid, parallel to quickening and rousing in usage.

Warbler
noun

The family Parulidae — North American wood warblers — particularly Setophaga petechia (yellow warbler) whose males in breeding plumage are bright yellow with red-streaked breasts. The color refers to a male yellow warbler in breeding plumage: a saturated, slightly cool bright yellow with the matte finish of carotenoid-pigmented feathers.

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.

#acb607
Original
#c4ad00
Protanopia
#c4af24
Deuteranopia
#b8aa9b
Tritanopia
#a7a7a7
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
2.22:1
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
9.45:1

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