Nerdulator> put something in

Recognised as Colour

#42BCAD

  • #42BCAD
  • Cyan
  • Dark
  • Nearest: Light seagreen

#42BCAD is a cyan with RGB values 66, 188, 173 and HSL 173°, 48%, 50%. It is a dark colour, so black text on it reaches 9:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.

Colour values

#42BCAD#42BCAD
HEX#42BCAD
RGBrgb(66, 188, 173)
RGB (0–1)0.2588, 0.7373, 0.6784
RGB percentages25.9%, 73.7%, 67.8%
HSLhsl(172.6, 48%, 49.8%)
HSV / HSBhsv(172.6, 64.9%, 73.7%)
CMYK64.9%, 0%, 8%, 26.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,373,677
CSS custom property--colour: #42BCAD;

Brightness & contrast

Relative luminance0.40142WCAG 2.x, 0 is black and 1 is white
Perceived brightness159.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.03:1
Contrast with white2.33:1WCAG normal text: Fail
Contrast with black9.03:1WCAG normal text: AAA
Greyscale equivalent#A1A1A1
Inverted#BD4352

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B3B2ACno red cones; affects about 1% of men; ΔE 36.8 from the original
Deuteranopia#A1A4AEno green cones; the most common form, about 1% of men; ΔE 38.2 from the original
Tritanopia#00C0B7no blue cones; rare, and affects men and women equally; ΔE 6.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.33:1WCAG large text: Fail
Contrast with black, large text9.03:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 5.5Medium turquoise · ΔE 9.5Medium aquamarine · ΔE 12.3Dark turquoise · ΔE 12.9Turquoise · ΔE 13.8Dark cyan · ΔE 19.7
Nearest named CSS colourLight seagreen (#20B2AA)ΔE 5.52, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BC4251
Analogous#42BC70, #428EBC
Triadic#AD42BC, #BCAD42
Split complementary#BC428E, #BC7042
Tetradic#7042BC, #BC4251, #8EBC42

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D9F1EE
Lighter +30%#B3E4DE
Lighter +20%#8DD7CE
Lighter +10%#67CABE
Darker −10%#35968A
Darker −20%#277168
Darker −30%#1A4B45
Darker −40%#0D2522
More saturated +25%#22DCC5
Less saturated −25%#629C95

Channel breakdown

R66
G188
B173
Red66 (25.9%)
Green188 (73.7%)
Blue173 (67.8%)
Hue172.62°
Saturation (HSL)48.03%
Lightness49.8%
Dominant channelGreen
Hex per channelR 42 · G BC · B AD

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

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