Inspect LemonChiffon (#FFFACD) in HEX, RGB, HSL, LCH and OKLCH, check its contrast, and copy the value you need.
LemonChiffon
#FFFACD
Black text reads best on this background, at 19.81:1.
LemonChiffon is one of the 148 CSS named colors, and resolves to #FFFACD in every browser. In numbers that is rgb(255, 250, 205) and hsl(54, 100%, 90%). Perceptually it is a very light, muted color: OKLCH puts its lightness at 98% and its chroma at 0.058. It sits in the yellows at 102 degrees of OKLCH hue, and reads as a warm color.
White text only reaches 1.06:1 here, so black text is the safer pairing at 19.81:1. Because it is this light, LemonChiffon works best as a page or card background with dark text over it.
The closest CSS named colors to LemonChiffon, measured with CIEDE2000, are LightGoldenRodYellow (#FAFAD2), LightYellow (#FFFFE0), Cornsilk (#FFF8DC). If LemonChiffon is not quite right, those are the nearest keywords to try before reaching for a custom value.
HEX
#FFFACD
RGB
rgb(255, 250, 205)
HSL
hsl(54, 100%, 90%)
HWB
hwb(54 80% 0%)
CMYK
cmyk(0%, 2%, 20%, 0%)
LAB
lab(97.83 -3.52 22.32)
LCH
lch(97.83 22.6 98.97)
OKLCH
oklch(97.78% 0.0582 102.16)
WCAG asks for 4.5:1 between body text and its background. On #FFFACD white text measures 1.06:1 and black text 19.81:1, so black clears it and white does not.
White text on LemonChiffon
WCAG 2.2
1.06:1
APCA
Lc 0
Fails AA body text
Fails AAA body text
Fails AA large text
Black text on LemonChiffon
WCAG 2.2
19.81:1
APCA
Lc 101
Passes AA body text
Passes AAA body text
Passes AA large text
Check LemonChiffon against any other color in the contrast checker.
LemonChiffon sits at 98% OKLCH lightness. Holding its hue and chroma and moving only that value carries it down to #070600, which keeps the family recognizable instead of letting it drift toward gray the way a plain HSL ramp does.
#C7C296
20% darker
#918C63
40% darker
#5F5A33
60% darker
#322C03
80% darker
#070600
100% darker
Build a full accessible scale from #FFFACD in the shade generator.
Hues rotated around #FFFACD in OKLCH, then pulled back into the sRGB gamut. Each swatch is labelled with the nearest CSS named color so you have a keyword to start from.
LemonChiffon sits at 102 degrees. Rotating it a half turn lands on 282 degrees, the hue directly opposite. It is the strongest pairing you can make without changing lightness, and the one most likely to vibrate if you use both at full chroma.
The neighbors of LemonChiffon at 72 and 132 degrees. They stay close enough to read as the same family, which is what you want for hover states, secondary surfaces and gradients.
102, 222 and 342 degrees divide the wheel into thirds. Balanced enough to carry a whole palette without one color dominating the other two.
Instead of the complement at 282 degrees, this pair flanks it at 252 and 312. You keep most of the contrast of a complementary pairing while losing the harshness.
Explore more combinations around LemonChiffon on the color wheel.
The biggest shift is under achromatopsia, where #FFFACD reads as #F8F8F8, 15.4 CIEDE2000 units away. If LemonChiffon is the only thing marking a state or a series, roughly one viewer in twelve will miss it.
Protanopia
#FFF6CB
Deuteranopia
#FFF9CE
Tritanopia
#FFF3EC
Achromatopsia
#F8F8F8
The nearest CSS keywords to #FFFACD, ranked by perceptual distance rather than by how close their hex digits happen to look.