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Colour

#227D40

  • #227D40
  • Green
  • Dark
  • Nearest: Sea green

#227D40 is a green with RGB values 34, 125, 64 and HSL 140°, 57%, 31%. It is a dark colour, so white text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Sea green.

Colour values

#227D40#227D40
HEX#227D40
RGBrgb(34, 125, 64)
RGB (0–1)0.1333, 0.4902, 0.251
RGB percentages13.3%, 49%, 25.1%
HSLhsl(139.8, 57.2%, 31.2%)
HSV / HSBhsv(139.8, 72.8%, 49%)
CMYK72.8%, 0%, 48.8%, 51%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,260,288
CSS custom property--colour: #227D40;

Brightness & contrast

Relative luminance0.15377WCAG 2.x, 0 is black and 1 is white
Perceived brightness99.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.15:1
Contrast with white5.15:1WCAG normal text: AA
Contrast with black4.08:1WCAG normal text: Fail
Greyscale equivalent#656565
Inverted#DD82BF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7E723Bno red cones; affects about 1% of men; ΔE 38 from the original
Deuteranopia#736A44no green cones; the most common form, about 1% of men; ΔE 38.3 from the original
Tritanopia#007B6Fno blue cones; rare, and affects men and women equally; ΔE 28.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.15:1WCAG large text: AAA
Contrast with black, large text4.08:1WCAG large text: AA

Named colours

Sea green · ΔE 7.9Dark green · ΔE 19.1Medium seagreen · ΔE 20.6Forest green · ΔE 21.7Dark olivegreen · ΔE 22.7Green · ΔE 26.6
Nearest named CSS colourSea green (#2E8B57)ΔE 7.88, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7D225F
Analogous#317D22, #227D6E
Triadic#40227D, #7D4022
Split complementary#6E227D, #7D2231
Tetradic#22317D, #7D225F, #7D6E22

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8BE0A7
Lighter +30%#63D589
Lighter +20%#3BCA6A
Lighter +10%#2DA555
Darker −10%#17552B
Darker −20%#0C2D17
Darker −30%#010502
Darker −40%#000000
More saturated +25%#0E9139
Less saturated −25%#366947

Channel breakdown

R34
G125
B64
Red34 (13.3%)
Green125 (49%)
Blue64 (25.1%)
Hue139.78°
Saturation (HSL)57.23%
Lightness31.18%
Dominant channelGreen
Hex per channelR 22 · G 7D · B 40

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Every value on this page was computed from “227d40” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.