Colour

#428B4F

#428B4F
Green
Dark
Nearest: Sea green

#428B4F is a green with RGB values 66, 139, 79 and HSL 131°, 36%, 40%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Sea green.

Colour values

#428B4F#428B4F

HEX#428B4F

RGBrgb(66, 139, 79)

RGB (0–1)0.2588, 0.5451, 0.3098

RGB percentages25.9%, 54.5%, 31%

HSLhsl(130.7, 35.6%, 40.2%)

HSV / HSBhsv(130.7, 52.5%, 54.5%)

CMYK52.5%, 0%, 43.2%, 45.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,361,039

CSS custom property--colour: #428B4F;

Brightness & contrast

Relative luminance0.20188WCAG 2.x, 0 is black and 1 is white

Perceived brightness115.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.04:1

Contrast with white4.17:1WCAG normal text: Fail

Contrast with black5.04:1WCAG normal text: AA

Greyscale equivalent#777777

Inverted#BD74B0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#8C804Bno red cones; affects about 1% of men; ΔE 33.6 from the original

Deuteranopia#827953no green cones; the most common form, about 1% of men; ΔE 33.9 from the original

Tritanopia#34887Cno blue cones; rare, and affects men and women equally; ΔE 27.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text4.17:1WCAG large text: AA

Contrast with black, large text5.04:1WCAG large text: AAA

Named colours

Sea green · ΔE 6.2 Medium seagreen · ΔE 17.7 Dark olivegreen · ΔE 20.8 Forest green · ΔE 23.8 Dark green · ΔE 24 Dark seagreen · ΔE 24.8

Nearest named CSS colourSea green (#2E8B57)ΔE 6.2, clearly different but related

Hue familygreen

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#8B427E

Analogous#5A8B42, #428B74

Triadic#4F428B, #8B4F42

Split complementary#74428B, #8B425A

Tetradic#42598B, #8B427E, #8B7342

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#BBDEC1

Lighter +30%#98CEA2

Lighter +20%#75BE82

Lighter +10%#53AD63

Darker −10%#32683B

Darker −20%#214628

Darker −30%#112314

Darker −40%#000100

More saturated +25%#28A53F

Less saturated −25%#5C715F

Channel breakdown

R66

G139

B79

Red66 (25.9%)

Green139 (54.5%)

Blue79 (31%)

Hue130.68°

Saturation (HSL)35.61%

Lightness40.2%

Dominant channelGreen

Hex per channelR 42 · G 8B · B 4F

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#428B4F

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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