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Colour

#227C51

  • #227C51
  • Cyan
  • Dark
  • Nearest: Sea green

#227C51 is a cyan with RGB values 34, 124, 81 and HSL 151°, 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

#227C51#227C51
HEX#227C51
RGBrgb(34, 124, 81)
RGB (0–1)0.1333, 0.4863, 0.3176
RGB percentages13.3%, 48.6%, 31.8%
HSLhsl(151.3, 57%, 31%)
HSV / HSBhsv(151.3, 72.6%, 48.6%)
CMYK72.6%, 0%, 34.7%, 51.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,260,049
CSS custom property--colour: #227C51;

Brightness & contrast

Relative luminance0.15349WCAG 2.x, 0 is black and 1 is white
Perceived brightness100.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.16:1
Contrast with white5.16:1WCAG normal text: AA
Contrast with black4.07:1WCAG normal text: Fail
Greyscale equivalent#666666
Inverted#DD83AE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7B724Eno red cones; affects about 1% of men; ΔE 35 from the original
Deuteranopia#706A54no green cones; the most common form, about 1% of men; ΔE 35.5 from the original
Tritanopia#007B71no blue cones; rare, and affects men and women equally; ΔE 19.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.16:1WCAG large text: AAA
Contrast with black, large text4.07:1WCAG large text: AA

Named colours

Sea green · ΔE 7.3Dark olivegreen · ΔE 23.5Medium seagreen · ΔE 23.7Teal · ΔE 25.9Dark cyan · ΔE 26.6Dark green · ΔE 28.4
Nearest named CSS colourSea green (#2E8B57)ΔE 7.29, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7C224D
Analogous#227C24, #227A7C
Triadic#51227C, #7C5122
Split complementary#7C227A, #7C2422
Tetradic#24227C, #7C224D, #7A7C22

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8BDFB7
Lighter +30%#63D49E
Lighter +20%#3BC985
Lighter +10%#2DA46B
Darker −10%#175437
Darker −20%#0C2C1D
Darker −30%#010403
Darker −40%#000000
More saturated +25%#0E9052
Less saturated −25%#366850

Channel breakdown

R34
G124
B81
Red34 (13.3%)
Green124 (48.6%)
Blue81 (31.8%)
Hue151.33°
Saturation (HSL)56.96%
Lightness30.98%
Dominant channelGreen
Hex per channelR 22 · G 7C · B 51

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Every value on this page was computed from “227c51” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.