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Recognised as Colour

#28C28C

  • #28C28C
  • Cyan
  • Dark
  • Nearest: Medium seagreen

#28C28C is a cyan with RGB values 40, 194, 140 and HSL 159°, 66%, 46%. It is a dark colour, so black text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Medium seagreen.

Colour values

#28C28C#28C28C
HEX#28C28C
RGBrgb(40, 194, 140)
RGB (0–1)0.1569, 0.7608, 0.549
RGB percentages15.7%, 76.1%, 54.9%
HSLhsl(159, 65.8%, 45.9%)
HSV / HSBhsv(159, 79.4%, 76.1%)
CMYK79.4%, 0%, 27.8%, 23.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,671,244
CSS custom property--colour: #28C28C;

Brightness & contrast

Relative luminance0.40928WCAG 2.x, 0 is black and 1 is white
Perceived brightness157.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.19:1
Contrast with white2.29:1WCAG normal text: Fail
Contrast with black9.19:1WCAG normal text: AAA
Greyscale equivalent#9D9D9D
Inverted#D73D73

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#BEB389no red cones; affects about 1% of men; ΔE 49.1 from the original
Deuteranopia#ACA690no green cones; the most common form, about 1% of men; ΔE 49.9 from the original
Tritanopia#00C2B3no blue cones; rare, and affects men and women equally; ΔE 21.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.29:1WCAG large text: Fail
Contrast with black, large text9.19:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 9.8Medium aquamarine · ΔE 16.2Sea green · ΔE 22.2Aquamarine · ΔE 23.6Turquoise · ΔE 24.3Light green · ΔE 26.8
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 9.79, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C2285E
Analogous#28C23F, #28ABC2
Triadic#8C28C2, #C28C28
Split complementary#C228AB, #C23F28
Tetradic#3F28C2, #C2285E, #ABC228

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C3F3E2
Lighter +30%#99EACE
Lighter +20%#6FE1B9
Lighter +10%#44D9A5
Darker −10%#1F986D
Darker −20%#176D4F
Darker −30%#0E4330
Darker −40%#051912
More saturated +25%#0BDF95
Less saturated −25%#45A583

Channel breakdown

R40
G194
B140
Red40 (15.7%)
Green194 (76.1%)
Blue140 (54.9%)
Hue158.96°
Saturation (HSL)65.81%
Lightness45.88%
Dominant channelGreen
Hex per channelR 28 · G C2 · B 8C

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Every value on this page was computed from “28c28c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.