#129BA5 Color

#129BA5 is rgb(18, 155, 165) in RGB and hsl(184, 80%, 36%) in HSL. The closest CSS named color is LightSeaGreen. Black text is most readable on this background.

#129BA5

HEX#129BA5

RGBrgb(18, 155, 165)

HSLhsl(184, 80%, 36%)

HSVhsv(184, 89%, 65%)

OKLCHoklch(62.9% 0.104 203.1)

CMYKcmyk(89%, 6%, 0%, 35%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #129BA5 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text3.36:1AA normal ✗AA large ✓AAA normal ✗

TextBlack text6.26:1AA normal ✓AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #129BA5 based on color wheel relationships. Click any swatch for its full breakdown.

Base#129BA5 Complementary#A51C12 Analogous#12A566 Analogous#1252A5 Triadic#A5129B Triadic#9BA512

Tints & Shades

Lighter tints and darker shades of #129BA5, useful for hover states, backgrounds, and text variants.

Tints

#17C2CF #2CDBE8 #55E2EC #7AE8F0 #A3EFF5 #CDF6F9

Shades

#10868E #0E757C #0B5F65 #094E53 #07383C #052729

Use #129BA5 in Our Tools

Hex to RGB Hex to HSL Hex to CMYK Hex to Pantone RGBA to Hex