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Colour

#028A40

  • #028A40
  • Green
  • Dark
  • Nearest: Sea green

#028A40 is a green with RGB values 2, 138, 64 and HSL 147°, 97%, 27%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Sea green.

Colour values

#028A40#028A40
HEX#028A40
RGBrgb(2, 138, 64)
RGB (0–1)0.0078, 0.5412, 0.251
RGB percentages0.8%, 54.1%, 25.1%
HSLhsl(147.4, 97.1%, 27.5%)
HSV / HSBhsv(147.4, 98.6%, 54.1%)
CMYK98.6%, 0%, 53.6%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer166,464
CSS custom property--colour: #028A40;

Brightness & contrast

Relative luminance0.1856WCAG 2.x, 0 is black and 1 is white
Perceived brightness107.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.71:1
Contrast with white4.46:1WCAG normal text: Fail
Contrast with black4.71:1WCAG normal text: AA
Greyscale equivalent#686868
Inverted#FD75BF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8B7D3Ano red cones; affects about 1% of men; ΔE 45.9 from the original
Deuteranopia#7E7446no green cones; the most common form, about 1% of men; ΔE 45.9 from the original
Tritanopia#008779no blue cones; rare, and affects men and women equally; ΔE 35.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.46:1WCAG large text: AA
Contrast with black, large text4.71:1WCAG large text: AAA

Named colours

Sea green · ΔE 14.1Forest green · ΔE 14.4Medium seagreen · ΔE 16.4Dark green · ΔE 18.7Green · ΔE 19.8Olivedrab · ΔE 28.4
Nearest named CSS colourSea green (#2E8B57)ΔE 14.07, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8A024C
Analogous#088A02, #028A84
Triadic#40028A, #8A4002
Split complementary#84028A, #8A0208
Tetradic#02088A, #8A024C, #8A8402

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5BFDA5
Lighter +30%#29FC89
Lighter +20%#03EF6F
Lighter +10%#03BC57
Darker −10%#015829
Darker −20%#012511
Darker −30%#000000
Darker −40%#000000
More saturated +25%#008C40
Less saturated −25%#137942

Channel breakdown

R2
G138
B64
Red2 (0.8%)
Green138 (54.1%)
Blue64 (25.1%)
Hue147.35°
Saturation (HSL)97.14%
Lightness27.45%
Dominant channelGreen
Hex per channelR 02 · G 8A · B 40

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Every value on this page was computed from “028a40” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.