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Recognised as Colour

#28B455

  • #28B455
  • Green
  • Dark
  • Nearest: Medium seagreen

#28B455 is a green with RGB values 40, 180, 85 and HSL 139°, 64%, 43%. It is a dark colour, so black text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Medium seagreen.

Colour values

#28B455#28B455
HEX#28B455
RGBrgb(40, 180, 85)
RGB (0–1)0.1569, 0.7059, 0.3333
RGB percentages15.7%, 70.6%, 33.3%
HSLhsl(139.3, 63.6%, 43.1%)
HSV / HSBhsv(139.3, 77.8%, 70.6%)
CMYK77.8%, 0%, 52.8%, 29.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,667,605
CSS custom property--colour: #28B455;

Brightness & contrast

Relative luminance0.3375WCAG 2.x, 0 is black and 1 is white
Perceived brightness142.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.75:1
Contrast with white2.71:1WCAG normal text: Fail
Contrast with black7.75:1WCAG normal text: AAA
Greyscale equivalent#8F8F8F
Inverted#D74BAA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B6A44Dno red cones; affects about 1% of men; ΔE 52.9 from the original
Deuteranopia#A6995Cno green cones; the most common form, about 1% of men; ΔE 52.8 from the original
Tritanopia#00B09Eno blue cones; rare, and affects men and women equally; ΔE 42.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.71:1WCAG large text: Fail
Contrast with black, large text7.75:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 16.1Forest green · ΔE 17.3Green · ΔE 22.6Light green · ΔE 24.1Limegreen · ΔE 26.8Medium spring green · ΔE 27.2
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 16.1, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B42887
Analogous#41B428, #28B49B
Triadic#5528B4, #B45528
Split complementary#9B28B4, #B42841
Tetradic#2841B4, #B42887, #B49B28

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B9EFCA
Lighter +30%#8FE6AB
Lighter +20%#65DD8C
Lighter +10%#3BD46C
Darker −10%#1F8A41
Darker −20%#15612E
Darker −30%#0C371A
Darker −40%#030D06
More saturated +25%#0DD04B
Less saturated −25%#44995F

Channel breakdown

R40
G180
B85
Red40 (15.7%)
Green180 (70.6%)
Blue85 (33.3%)
Hue139.29°
Saturation (HSL)63.64%
Lightness43.14%
Dominant channelGreen
Hex per channelR 28 · G B4 · B 55

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Every value on this page was computed from “28b455” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.