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Recognised as Colour

#397E4E

  • #397E4E
  • Green
  • Dark
  • Nearest: Sea green

#397E4E is a green with RGB values 57, 126, 78 and HSL 138°, 38%, 36%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Sea green.

Colour values

#397E4E#397E4E
HEX#397E4E
RGBrgb(57, 126, 78)
RGB (0–1)0.2235, 0.4941, 0.3059
RGB percentages22.4%, 49.4%, 30.6%
HSLhsl(138.3, 37.7%, 35.9%)
HSV / HSBhsv(138.3, 54.8%, 49.4%)
CMYK54.8%, 0%, 38.1%, 50.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,767,886
CSS custom property--colour: #397E4E;

Brightness & contrast

Relative luminance0.16342WCAG 2.x, 0 is black and 1 is white
Perceived brightness104.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.92:1
Contrast with white4.92:1WCAG normal text: AA
Contrast with black4.27:1WCAG normal text: Fail
Greyscale equivalent#6C6C6C
Inverted#C681B1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7E754Bno red cones; affects about 1% of men; ΔE 30.6 from the original
Deuteranopia#756E51no green cones; the most common form, about 1% of men; ΔE 31.2 from the original
Tritanopia#297C72no blue cones; rare, and affects men and women equally; ΔE 22.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.92:1WCAG large text: AAA
Contrast with black, large text4.27:1WCAG large text: AA

Named colours

Sea green · ΔE 7.7Dark olivegreen · ΔE 18.8Medium seagreen · ΔE 23.7Dark seagreen · ΔE 26.5Dark green · ΔE 26.8Teal · ΔE 28.5
Nearest named CSS colourSea green (#2E8B57)ΔE 7.66, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7E3969
Analogous#477E39, #397E70
Triadic#4E397E, #7E4E39
Split complementary#70397E, #7E3947
Tetradic#39477E, #7E3969, #7E7039

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AAD9B8
Lighter +30%#87C99B
Lighter +20%#64B97E
Lighter +10%#49A164
Darker −10%#295B38
Darker −20%#193823
Darker −30%#09150D
Darker −40%#000000
More saturated +25%#229545
Less saturated −25%#506757

Channel breakdown

R57
G126
B78
Red57 (22.4%)
Green126 (49.4%)
Blue78 (30.6%)
Hue138.26°
Saturation (HSL)37.7%
Lightness35.88%
Dominant channelGreen
Hex per channelR 39 · G 7E · B 4E

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Every value on this page was computed from “397e4e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.