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Recognised as Colour

#28EFA1

  • #28EFA1
  • Cyan
  • Light
  • Nearest: Medium spring green

#28EFA1 is a cyan with RGB values 40, 239, 161 and HSL 156°, 86%, 55%. It is a light colour, so black text on it reaches 14:1 contrast (AAA for normal text). The nearest named colour is Medium spring green.

Colour values

#28EFA1#28EFA1
HEX#28EFA1
RGBrgb(40, 239, 161)
RGB (0–1)0.1569, 0.9373, 0.6314
RGB percentages15.7%, 93.7%, 63.1%
HSLhsl(156.5, 86.1%, 54.7%)
HSV / HSBhsv(156.5, 83.3%, 93.7%)
CMYK83.3%, 0%, 32.6%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,682,785
CSS custom property--colour: #28EFA1;

Brightness & contrast

Relative luminance0.64757WCAG 2.x, 0 is black and 1 is white
Perceived brightness192.3 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.95:1
Contrast with white1.51:1WCAG normal text: Fail
Contrast with black13.95:1WCAG normal text: AAA
Greyscale equivalent#BFBFBF
Inverted#D7105E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#ECDC9Cno red cones; affects about 1% of men; ΔE 60.6 from the original
Deuteranopia#D6CCA6no green cones; the most common form, about 1% of men; ΔE 61.3 from the original
Tritanopia#00EEDBno blue cones; rare, and affects men and women equally; ΔE 31.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.51:1WCAG large text: Fail
Contrast with black, large text13.95:1WCAG large text: AAA

Named colours

Medium spring green · ΔE 10.7Light green · ΔE 21.2Pale green · ΔE 21.5Medium seagreen · ΔE 24.6Aquamarine · ΔE 24.9Spring green · ΔE 26.1
Nearest named CSS colourMedium spring green (#00FA9A)ΔE 10.7, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EF2876
Analogous#28EF3D, #28DAEF
Triadic#A128EF, #EFA128
Split complementary#EF28DA, #EF3D28
Tetradic#3D28EF, #EF2876, #DAEF28

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E6FDF4
Lighter +30%#B6FADF
Lighter +20%#87F6CB
Lighter +10%#57F3B6
Darker −10%#10D487
Darker −20%#0CA569
Darker −30%#09754B
Darker −40%#05462C
More saturated +25%#18FFA4
Less saturated −25%#45D29B

Channel breakdown

R40
G239
B161
Red40 (15.7%)
Green239 (93.7%)
Blue161 (63.1%)
Hue156.48°
Saturation (HSL)86.15%
Lightness54.71%
Dominant channelGreen
Hex per channelR 28 · G EF · B A1

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Every value on this page was computed from “28efa1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.