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Colour

#247A51

  • #247A51
  • Cyan
  • Dark
  • Nearest: Sea green

#247A51 is a cyan with RGB values 36, 122, 81 and HSL 151°, 54%, 31%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Sea green.

Colour values

#247A51#247A51
HEX#247A51
RGBrgb(36, 122, 81)
RGB (0–1)0.1412, 0.4784, 0.3176
RGB percentages14.1%, 47.8%, 31.8%
HSLhsl(151.4, 54.4%, 31%)
HSV / HSBhsv(151.4, 70.5%, 47.8%)
CMYK70.5%, 0%, 33.6%, 52.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,390,609
CSS custom property--colour: #247A51;

Brightness & contrast

Relative luminance0.14888WCAG 2.x, 0 is black and 1 is white
Perceived brightness99.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.28:1
Contrast with white5.28:1WCAG normal text: AA
Contrast with black3.98:1WCAG normal text: Fail
Greyscale equivalent#656565
Inverted#DB85AE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#79704Eno red cones; affects about 1% of men; ΔE 34 from the original
Deuteranopia#6E6854no green cones; the most common form, about 1% of men; ΔE 34.6 from the original
Tritanopia#00796Fno blue cones; rare, and affects men and women equally; ΔE 18.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.28:1WCAG large text: AAA
Contrast with black, large text3.98:1WCAG large text: AA

Named colours

Sea green · ΔE 8.7Dark olivegreen · ΔE 23Teal · ΔE 24.8Medium seagreen · ΔE 25.1Dark cyan · ΔE 25.7Dark green · ΔE 29.2
Nearest named CSS colourSea green (#2E8B57)ΔE 8.73, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7A244D
Analogous#247A26, #24787A
Triadic#51247A, #7A5124
Split complementary#7A2478, #7A2624
Tetradic#26247A, #7A244D, #787A24

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8DDDB7
Lighter +30%#65D29E
Lighter +20%#3EC685
Lighter +10%#30A16B
Darker −10%#185337
Darker −20%#0D2B1D
Darker −30%#010403
Darker −40%#000000
More saturated +25%#108E52
Less saturated −25%#386650

Channel breakdown

R36
G122
B81
Red36 (14.1%)
Green122 (47.8%)
Blue81 (31.8%)
Hue151.4°
Saturation (HSL)54.43%
Lightness30.98%
Dominant channelGreen
Hex per channelR 24 · G 7A · B 51

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Every value on this page was computed from “247a51” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.