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Recognised as Colour

#028B74

  • #028B74
  • Cyan
  • Dark
  • Nearest: Dark cyan

#028B74 is a cyan with RGB values 2, 139, 116 and HSL 170°, 97%, 28%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Dark cyan.

Colour values

#028B74#028B74
HEX#028B74
RGBrgb(2, 139, 116)
RGB (0–1)0.0078, 0.5451, 0.4549
RGB percentages0.8%, 54.5%, 45.5%
HSLhsl(169.9, 97.2%, 27.6%)
HSV / HSBhsv(169.9, 98.6%, 54.5%)
CMYK98.6%, 0%, 16.5%, 45.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer166,772
CSS custom property--colour: #028B74;

Brightness & contrast

Relative luminance0.19739WCAG 2.x, 0 is black and 1 is white
Perceived brightness113.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.95:1
Contrast with white4.24:1WCAG normal text: Fail
Contrast with black4.95:1WCAG normal text: AA
Greyscale equivalent#6C6C6C
Inverted#FD748B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#858173no red cones; affects about 1% of men; ΔE 36.8 from the original
Deuteranopia#767676no green cones; the most common form, about 1% of men; ΔE 37.7 from the original
Tritanopia#008D84no blue cones; rare, and affects men and women equally; ΔE 8.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.24:1WCAG large text: AA
Contrast with black, large text4.95:1WCAG large text: AAA

Named colours

Dark cyan · ΔE 14.2Teal · ΔE 15Sea green · ΔE 16.8Light seagreen · ΔE 17.2Cadetblue · ΔE 22.9Medium aquamarine · ΔE 24.7
Nearest named CSS colourDark cyan (#008B8B)ΔE 14.16, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8B0219
Analogous#028B30, #025D8B
Triadic#74028B, #8B7402
Split complementary#8B025D, #8B3002
Tetradic#30028B, #8B0219, #5D8B02

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5CFDE2
Lighter +30%#2AFCD9
Lighter +20%#03F0C8
Lighter +10%#03BD9E
Darker −10%#01594A
Darker −20%#012620
Darker −30%#000000
Darker −40%#000000
More saturated +25%#008D75
Less saturated −25%#147968

Channel breakdown

R2
G139
B116
Red2 (0.8%)
Green139 (54.5%)
Blue116 (45.5%)
Hue169.93°
Saturation (HSL)97.16%
Lightness27.65%
Dominant channelGreen
Hex per channelR 02 · G 8B · B 74

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Every value on this page was computed from “028b74” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.