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Lambent Iowa

#c6bb2b
Notes

Lambent Iowa (#C6BB2B) 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 (56°, 64%, 47%) 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
#c6bb2b
RGB
rgb(198, 187, 43)
HSL
hsl(56, 64%, 47%)
HWB
hwb(56 17% 22%)
OKLCH
oklch(77.8% 0.153 104.8)
HSV
hsv(56, 78%, 78%)
LAB
lab(74.65% -11.42 68.18)
LCH
lch(74.65% 69.13 99.51)
CMYK
cmyk(0%, 6%, 78%, 22%)

Etymology

Lambent
adjective

Latin lambēns, licking-lightly — present-participle of lambere (to lick). As a color modifier, lambent implies a saturated-and-soft-flickering quality, the bright color of candle-flame-and-firefly gentle-flickering light-emission against the surrounding darkness. Sits at the bright-and-soft end of the grid, parallel to glimmering and flickering in usage.

Iowa
noun

The American corn-belt state — and the saturated yellow of Iowa cornfields at peak harvest, Iowa State athletic uniforms, and the Iowa Hawkeyes gold-and-black branding. Iowa refers to Iowa dent corn at harvest: a saturated, slightly red yellow with the matte finish of cured grain. Warmer than maize.

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.

#c6bb2b
Original
#ccb400
Protanopia
#d0ba37
Deuteranopia
#d5aea0
Tritanopia
#b3b3b3
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
1.99:1
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
10.54:1

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