#428A57 Color

#428A57 is rgb(66, 138, 87) in RGB and hsl(138, 35%, 40%) in HSL. The closest CSS named color is SeaGreen. Black text is most readable on this background.

#428A57

HEX#428A57

RGBrgb(66, 138, 87)

HSLhsl(138, 35%, 40%)

HSVhsv(138, 52%, 54%)

OKLCHoklch(57.3% 0.107 151.2)

CMYKcmyk(52%, 0%, 37%, 46%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #428A57 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text4.2:1AA normal ✗AA large ✓AAA normal ✗

TextBlack text5:1AA normal ✓AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #428A57 based on color wheel relationships. Click any swatch for its full breakdown.

Base#428A57 Complementary#8A4274 Analogous#518A42 Analogous#428A7B Triadic#58428A Triadic#8A5842

Tints & Shades

Lighter tints and darker shades of #428A57, useful for hover states, backgrounds, and text variants.

Tints

#50A569 #6BB882 #87C599 #A2D2B1 #BEE0C8 #DDEEE2

Shades

#3A784D #326742 #295637 #1F412A #17301F #0F1F14

Use #428A57 in Our Tools

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