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Recognised as Colour

#337F5F

  • #337F5F
  • Cyan
  • Dark
  • Nearest: Sea green

#337F5F is a cyan with RGB values 51, 127, 95 and HSL 155°, 43%, 35%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Sea green.

Colour values

#337F5F#337F5F
HEX#337F5F
RGBrgb(51, 127, 95)
RGB (0–1)0.2, 0.498, 0.3725
RGB percentages20%, 49.8%, 37.3%
HSLhsl(154.7, 42.7%, 34.9%)
HSV / HSBhsv(154.7, 59.8%, 49.8%)
CMYK59.8%, 0%, 25.2%, 50.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,374,943
CSS custom property--colour: #337F5F;

Brightness & contrast

Relative luminance0.16709WCAG 2.x, 0 is black and 1 is white
Perceived brightness106.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.84:1
Contrast with white4.84:1WCAG normal text: AA
Contrast with black4.34:1WCAG normal text: Fail
Greyscale equivalent#6D6D6D
Inverted#CC80A0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7D765Dno red cones; affects about 1% of men; ΔE 30.3 from the original
Deuteranopia#726E61no green cones; the most common form, about 1% of men; ΔE 30.8 from the original
Tritanopia#0F7F76no blue cones; rare, and affects men and women equally; ΔE 13.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.84:1WCAG large text: AAA
Contrast with black, large text4.34:1WCAG large text: AA

Named colours

Sea green · ΔE 13.1Teal · ΔE 19.2Dark cyan · ΔE 20Dark olivegreen · ΔE 24.5Light seagreen · ΔE 25.3Cadetblue · ΔE 25.3
Nearest named CSS colourSea green (#2E8B57)ΔE 13.06, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7F3353
Analogous#337F39, #33797F
Triadic#5F337F, #7F5F33
Split complementary#7F3379, #7F3933
Tetradic#39337F, #7F3353, #797F33

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A4DAC3
Lighter +30%#7FCCAC
Lighter +20%#5BBD94
Lighter +10%#42A37A
Darker −10%#245B44
Darker −20%#163629
Darker −30%#07120D
Darker −40%#000000
More saturated +25%#1D9563
Less saturated −25%#49695B

Channel breakdown

R51
G127
B95
Red51 (20%)
Green127 (49.8%)
Blue95 (37.3%)
Hue154.74°
Saturation (HSL)42.7%
Lightness34.9%
Dominant channelGreen
Hex per channelR 33 · G 7F · B 5F

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Every value on this page was computed from “337f5f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.