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Recognised as Colour

#42D498

  • #42D498
  • Cyan
  • Light
  • Nearest: Medium seagreen

#42D498 is a cyan with RGB values 66, 212, 152 and HSL 155°, 63%, 55%. It is a light colour, so black text on it reaches 11.1:1 contrast (AAA for normal text). The nearest named colour is Medium seagreen.

Colour values

#42D498#42D498
HEX#42D498
RGBrgb(66, 212, 152)
RGB (0–1)0.2588, 0.8314, 0.5961
RGB percentages25.9%, 83.1%, 59.6%
HSLhsl(155.3, 62.9%, 54.5%)
HSV / HSBhsv(155.3, 68.9%, 83.1%)
CMYK68.9%, 0%, 28.3%, 16.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,379,800
CSS custom property--colour: #42D498;

Brightness & contrast

Relative luminance0.50512WCAG 2.x, 0 is black and 1 is white
Perceived brightness174.1 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.1:1
Contrast with white1.89:1WCAG normal text: Fail
Contrast with black11.1:1WCAG normal text: AAA
Greyscale equivalent#B1B1B1
Inverted#BD2B67

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D1C495no red cones; affects about 1% of men; ΔE 50.2 from the original
Deuteranopia#BEB79Cno green cones; the most common form, about 1% of men; ΔE 50.5 from the original
Tritanopia#00D4C4no blue cones; rare, and affects men and women equally; ΔE 23.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.89:1WCAG large text: Fail
Contrast with black, large text11.1:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 13.1Medium aquamarine · ΔE 17.5Aquamarine · ΔE 19.3Light green · ΔE 21.7Turquoise · ΔE 24.7Pale green · ΔE 24.8
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 13.09, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D4427E
Analogous#42D44F, #42C7D4
Triadic#9842D4, #D49842
Split complementary#D442C7, #D44F42
Tetradic#4F42D4, #D4427E, #C7D442

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E8FAF3
Lighter +30%#BFF0DC
Lighter +20%#95E7C5
Lighter +10%#6CDDAF
Darker −10%#2AB97E
Darker −20%#218F62
Darker −30%#176646
Darker −40%#0E3C29
More saturated +25%#25F19D
Less saturated −25%#5FB793

Channel breakdown

R66
G212
B152
Red66 (25.9%)
Green212 (83.1%)
Blue152 (59.6%)
Hue155.34°
Saturation (HSL)62.93%
Lightness54.51%
Dominant channelGreen
Hex per channelR 42 · G D4 · B 98

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Every value on this page was computed from “42d498” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.