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Recognised as Colour

#28B5A2

  • #28B5A2
  • Cyan
  • Dark
  • Nearest: Light seagreen

#28B5A2 is a cyan with RGB values 40, 181, 162 and HSL 172°, 64%, 43%. It is a dark colour, so black text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.

Colour values

#28B5A2#28B5A2
HEX#28B5A2
RGBrgb(40, 181, 162)
RGB (0–1)0.1569, 0.7098, 0.6353
RGB percentages15.7%, 71%, 63.5%
HSLhsl(171.9, 63.8%, 43.3%)
HSV / HSBhsv(171.9, 77.9%, 71%)
CMYK77.9%, 0%, 10.5%, 29%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,667,938
CSS custom property--colour: #28B5A2;

Brightness & contrast

Relative luminance0.36107WCAG 2.x, 0 is black and 1 is white
Perceived brightness150.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.22:1
Contrast with white2.55:1WCAG normal text: Fail
Contrast with black8.22:1WCAG normal text: AAA
Greyscale equivalent#969696
Inverted#D74A5D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#ADAAA1no red cones; affects about 1% of men; ΔE 40.3 from the original
Deuteranopia#9A9CA4no green cones; the most common form, about 1% of men; ΔE 41.5 from the original
Tritanopia#00B8AFno blue cones; rare, and affects men and women equally; ΔE 5.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.55:1WCAG large text: Fail
Contrast with black, large text8.22:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 6.4Medium aquamarine · ΔE 12.9Medium turquoise · ΔE 13.2Turquoise · ΔE 15.5Dark turquoise · ΔE 15.5Dark cyan · ΔE 19.3
Nearest named CSS colourLight seagreen (#20B2AA)ΔE 6.38, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B5283B
Analogous#28B55C, #2881B5
Triadic#A228B5, #B5A228
Split complementary#B52881, #B55C28
Tetradic#5C28B5, #B5283B, #82B528

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B9F0E8
Lighter +30%#90E6DB
Lighter +20%#66DDCD
Lighter +10%#3CD4BF
Darker −10%#1F8B7D
Darker −20%#166157
Darker −30%#0C3832
Darker −40%#030E0C
More saturated +25%#0CD1B6
Less saturated −25%#44998E

Channel breakdown

R40
G181
B162
Red40 (15.7%)
Green181 (71%)
Blue162 (63.5%)
Hue171.91°
Saturation (HSL)63.8%
Lightness43.33%
Dominant channelGreen
Hex per channelR 28 · G B5 · B A2

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Every value on this page was computed from “28b5a2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.