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Recognised as Colour

#378A62

  • #378A62
  • Cyan
  • Dark
  • Nearest: Sea green

#378A62 is a cyan with RGB values 55, 138, 98 and HSL 151°, 43%, 38%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Sea green.

Colour values

#378A62#378A62
HEX#378A62
RGBrgb(55, 138, 98)
RGB (0–1)0.2157, 0.5412, 0.3843
RGB percentages21.6%, 54.1%, 38.4%
HSLhsl(151.1, 43%, 37.8%)
HSV / HSBhsv(151.1, 60.1%, 54.1%)
CMYK60.1%, 0%, 29%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,639,906
CSS custom property--colour: #378A62;

Brightness & contrast

Relative luminance0.19871WCAG 2.x, 0 is black and 1 is white
Perceived brightness114.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.97:1
Contrast with white4.22:1WCAG normal text: Fail
Contrast with black4.97:1WCAG normal text: AA
Greyscale equivalent#757575
Inverted#C8759D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#898060no red cones; affects about 1% of men; ΔE 33.5 from the original
Deuteranopia#7D7865no green cones; the most common form, about 1% of men; ΔE 33.7 from the original
Tritanopia#13897Fno blue cones; rare, and affects men and women equally; ΔE 17.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.22:1WCAG large text: AA
Contrast with black, large text4.97:1WCAG large text: AAA

Named colours

Sea green · ΔE 7.6Medium seagreen · ΔE 21.5Dark cyan · ΔE 23.5Dark seagreen · ΔE 23.6Teal · ΔE 23.6Medium aquamarine · ΔE 24.9
Nearest named CSS colourSea green (#2E8B57)ΔE 7.59, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8A375F
Analogous#378A39, #37888A
Triadic#62378A, #8A6237
Split complementary#8A3788, #8A3937
Tetradic#39378A, #8A375F, #888A37

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AEDFC7
Lighter +30%#8AD0AE
Lighter +20%#65C295
Lighter +10%#46AE7C
Darker −10%#286648
Darker −20%#1A412E
Darker −30%#0B1D14
Darker −40%#000000
More saturated +25%#1FA263
Less saturated −25%#4F7261

Channel breakdown

R55
G138
B98
Red55 (21.6%)
Green138 (54.1%)
Blue98 (38.4%)
Hue151.08°
Saturation (HSL)43.01%
Lightness37.84%
Dominant channelGreen
Hex per channelR 37 · G 8A · B 62

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Every value on this page was computed from “378a62” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.