Colors / grey
#666666
#666666oklch(0.5103 0.0000 none)
#666666 (#666666) is a medium grey, closest to the CSS color dimgray. In OKLCH it has lightness 51.0%, chroma 0.000 and no real hue; its relative luminance is 13.3%. White text reads best on it (APCA Lc 84, WCAG 5.74:1). It prints well on coated paper (FOGRA39, ΔE00 1.0).
#666666 in every format
| HEX | #666666 |
| RGB | rgb(102 102 102) |
| HSL | hsl(none 0.0% 40.0%) |
| HSB / HSV | hsb(none 0.0% 40.0%) |
| HWB | hwb(none 40.0% 60.0%) |
| CMYK (formula) | cmyk(0/0/0/60) |
| CMYK (FOGRA39 coated) | cmyk(55/46/45/33) |
| CIELAB (D50) | lab(43.19 0.00 0.00) |
| LCh | lch(43.19 0.00 none) |
| OKLab | oklab(0.5103 0.0000 0.0000) |
| OKLCH | oklch(0.5103 0.0000 none) |
| CIE XYZ (D65) | color(xyz-d65 0.12629 0.13287 0.14470) |
| CIE xyY | xyY(0.3127 0.3290 0.1329) |
| Display P3 | color(display-p3 0.4000 0.4000 0.4000) |
| Linear sRGB | color(srgb-linear 0.13287 0.13287 0.13287) |
| CSS name | — |
Text on #666666
White textWCAG 5.74:1 · APCA Lc 84
Black textWCAG 3.66:1 · APCA Lc 25