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Recognised as Colour

#308D5F

  • #308D5F
  • Cyan
  • Dark
  • Nearest: Sea green

#308D5F is a cyan with RGB values 48, 141, 95 and HSL 150°, 49%, 37%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Sea green.

Colour values

#308D5F#308D5F
HEX#308D5F
RGBrgb(48, 141, 95)
RGB (0–1)0.1882, 0.5529, 0.3725
RGB percentages18.8%, 55.3%, 37.3%
HSLhsl(150.3, 49.2%, 37.1%)
HSV / HSBhsv(150.3, 66%, 55.3%)
CMYK66%, 0%, 32.6%, 44.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,181,919
CSS custom property--colour: #308D5F;

Brightness & contrast

Relative luminance0.20504WCAG 2.x, 0 is black and 1 is white
Perceived brightness115.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.1:1
Contrast with white4.12:1WCAG normal text: Fail
Contrast with black5.1:1WCAG normal text: AA
Greyscale equivalent#767676
Inverted#CF72A0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8C825Cno red cones; affects about 1% of men; ΔE 36.6 from the original
Deuteranopia#7F7962no green cones; the most common form, about 1% of men; ΔE 36.9 from the original
Tritanopia#008C81no blue cones; rare, and affects men and women equally; ΔE 20.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.12:1WCAG large text: AA
Contrast with black, large text5.1:1WCAG large text: AAA

Named colours

Sea green · ΔE 3.6Medium seagreen · ΔE 17.8Dark seagreen · ΔE 24.6Medium aquamarine · ΔE 24.8Dark olivegreen · ΔE 26.1Light seagreen · ΔE 26.7
Nearest named CSS colourSea green (#2E8B57)ΔE 3.64, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8D305E
Analogous#308D31, #308D8D
Triadic#5F308D, #8D5F30
Split complementary#8D308D, #8D3030
Tetradic#30308D, #8D305E, #8D8D30

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A8E1C5
Lighter +30%#82D4AB
Lighter +20%#5CC792
Lighter +10%#3DB379
Darker −10%#236745
Darker −20%#16412C
Darker −30%#091B12
Darker −40%#000000
More saturated +25%#18A55F
Less saturated −25%#48755F

Channel breakdown

R48
G141
B95
Red48 (18.8%)
Green141 (55.3%)
Blue95 (37.3%)
Hue150.32°
Saturation (HSL)49.21%
Lightness37.06%
Dominant channelGreen
Hex per channelR 30 · G 8D · B 5F

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Every value on this page was computed from “308d5f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.