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Recognised as Colour

#277A52

  • #277A52
  • Cyan
  • Dark
  • Nearest: Sea green

#277A52 is a cyan with RGB values 39, 122, 82 and HSL 151°, 52%, 32%. 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

#277A52#277A52
HEX#277A52
RGBrgb(39, 122, 82)
RGB (0–1)0.1529, 0.4784, 0.3216
RGB percentages15.3%, 47.8%, 32.2%
HSLhsl(151.1, 51.6%, 31.6%)
HSV / HSBhsv(151.1, 68%, 47.8%)
CMYK68%, 0%, 32.8%, 52.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,587,218
CSS custom property--colour: #277A52;

Brightness & contrast

Relative luminance0.1496WCAG 2.x, 0 is black and 1 is white
Perceived brightness99.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.26:1
Contrast with white5.26:1WCAG normal text: AA
Contrast with black3.99:1WCAG normal text: Fail
Greyscale equivalent#656565
Inverted#D885AD

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#797150no red cones; affects about 1% of men; ΔE 32.9 from the original
Deuteranopia#6E6955no green cones; the most common form, about 1% of men; ΔE 33.3 from the original
Tritanopia#00796Fno blue cones; rare, and affects men and women equally; ΔE 17.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.26:1WCAG large text: AAA
Contrast with black, large text3.99:1WCAG large text: AA

Named colours

Sea green · ΔE 9.3Dark olivegreen · ΔE 22.8Teal · ΔE 24.2Dark cyan · ΔE 25.1Medium seagreen · ΔE 25.6Dark seagreen · ΔE 28.9
Nearest named CSS colourSea green (#2E8B57)ΔE 9.3, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7A274F
Analogous#277A29, #27787A
Triadic#52277A, #7A5227
Split complementary#7A2778, #7A2927
Tetradic#29277A, #7A274F, #787A27

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#91DCB8
Lighter +30%#6AD09F
Lighter +20%#44C386
Lighter +10%#33A16C
Darker −10%#1B5338
Darker −20%#0E2D1E
Darker −30%#020604
Darker −40%#000000
More saturated +25%#138E53
Less saturated −25%#3B6651

Channel breakdown

R39
G122
B82
Red39 (15.3%)
Green122 (47.8%)
Blue82 (32.2%)
Hue151.08°
Saturation (HSL)51.55%
Lightness31.57%
Dominant channelGreen
Hex per channelR 27 · G 7A · B 52

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Every value on this page was computed from “277a52” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.