Colour

#428F50

#428F50
Green
Dark
Nearest: Sea green

#428F50 is a green with RGB values 66, 143, 80 and HSL 131°, 37%, 41%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Sea green.

Colour values

#428F50#428F50

HEX#428F50

RGBrgb(66, 143, 80)

RGB (0–1)0.2588, 0.5608, 0.3137

RGB percentages25.9%, 56.1%, 31.4%

HSLhsl(130.9, 36.8%, 41%)

HSV / HSBhsv(130.9, 53.8%, 56.1%)

CMYK53.8%, 0%, 44.1%, 43.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,362,064

CSS custom property--colour: #428F50;

Brightness & contrast

Relative luminance0.21382WCAG 2.x, 0 is black and 1 is white

Perceived brightness118.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.28:1

Contrast with white3.98:1WCAG normal text: Fail

Contrast with black5.28:1WCAG normal text: AA

Greyscale equivalent#7A7A7A

Inverted#BD70AF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#90844Bno red cones; affects about 1% of men; ΔE 34.8 from the original

Deuteranopia#867D54no green cones; the most common form, about 1% of men; ΔE 35.1 from the original

Tritanopia#338C80no blue cones; rare, and affects men and women equally; ΔE 29.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.98:1WCAG large text: AA

Contrast with black, large text5.28:1WCAG large text: AAA

Named colours

Sea green · ΔE 6.9 Medium seagreen · ΔE 15.8 Forest green · ΔE 22.1 Dark olivegreen · ΔE 22.6 Dark green · ΔE 23.7 Dark seagreen · ΔE 24.9

Nearest named CSS colourSea green (#2E8B57)ΔE 6.86, clearly different but related

Hue familygreen

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8F4281

Analogous#5B8F42, #428F76

Triadic#50428F, #8F5042

Split complementary#76428F, #8F425B

Tetradic#425B8F, #8F4281, #8F7642

Tints, shades & saturation

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

Lighter +40%#BDE0C3

Lighter +30%#9AD0A4

Lighter +20%#77C084

Lighter +10%#54B065

Darker −10%#326C3C

Darker −20%#224929

Darker −30%#122615

Darker −40%#020302

More saturated +25%#28A93F

Less saturated −25%#5C7561

Channel breakdown

R66

G143

B80

Red66 (25.9%)

Green143 (56.1%)

Blue80 (31.4%)

Hue130.91°

Saturation (HSL)36.84%

Lightness40.98%

Dominant channelGreen

Hex per channelR 42 · G 8F · B 50

Keep nerding

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

#428F50

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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