Nerdulator> put something in

Recognised as Colour

#40D3BB

  • #40D3BB
  • Cyan
  • Light
  • Nearest: Turquoise

#40D3BB is a cyan with RGB values 64, 211, 187 and HSL 170°, 63%, 54%. It is a light colour, so black text on it reaches 11.3:1 contrast (AAA for normal text). The nearest named colour is Turquoise.

Colour values

#40D3BB#40D3BB
HEX#40D3BB
RGBrgb(64, 211, 187)
RGB (0–1)0.251, 0.8275, 0.7333
RGB percentages25.1%, 82.7%, 73.3%
HSLhsl(170.2, 62.6%, 53.9%)
HSV / HSBhsv(170.2, 69.7%, 82.7%)
CMYK69.7%, 0%, 11.4%, 17.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,248,507
CSS custom property--colour: #40D3BB;

Brightness & contrast

Relative luminance0.51266WCAG 2.x, 0 is black and 1 is white
Perceived brightness177 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.25:1
Contrast with white1.87:1WCAG normal text: Fail
Contrast with black11.25:1WCAG normal text: AAA
Greyscale equivalent#B2B2B2
Inverted#BF2C44

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#CAC6BAno red cones; affects about 1% of men; ΔE 43.7 from the original
Deuteranopia#B6B7BDno green cones; the most common form, about 1% of men; ΔE 44.9 from the original
Tritanopia#00D6CCno blue cones; rare, and affects men and women equally; ΔE 8.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.87:1WCAG large text: Fail
Contrast with black, large text11.25:1WCAG large text: AAA

Named colours

Turquoise · ΔE 6.5Medium aquamarine · ΔE 9.5Medium turquoise · ΔE 11.2Light seagreen · ΔE 14.6Dark turquoise · ΔE 14.8Aquamarine · ΔE 17.7
Nearest named CSS colourTurquoise (#40E0D0)ΔE 6.48, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D34058
Analogous#40D371, #40A2D3
Triadic#BB40D3, #D3BB40
Split complementary#D340A2, #D37140
Tetradic#7140D3, #D34058, #A2D340

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E6F9F6
Lighter +30%#BCF0E7
Lighter +20%#93E6D9
Lighter +10%#69DDCA
Darker −10%#2AB69F
Darker −20%#208D7B
Darker −30%#176357
Darker −40%#0D3A32
More saturated +25%#23F0CF
Less saturated −25%#5DB6A7

Channel breakdown

R64
G211
B187
Red64 (25.1%)
Green211 (82.7%)
Blue187 (73.3%)
Hue170.2°
Saturation (HSL)62.55%
Lightness53.92%
Dominant channelGreen
Hex per channelR 40 · G D3 · B BB

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 “40d3bb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.