Nerdulator> put something in

Recognised as Colour

#1D8A66

  • #1D8A66
  • Cyan
  • Dark
  • Nearest: Sea green

#1D8A66 is a cyan with RGB values 29, 138, 102 and HSL 160°, 65%, 33%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Sea green.

Colour values

#1D8A66#1D8A66
HEX#1D8A66
RGBrgb(29, 138, 102)
RGB (0–1)0.1137, 0.5412, 0.4
RGB percentages11.4%, 54.1%, 40%
HSLhsl(160.2, 65.3%, 32.7%)
HSV / HSBhsv(160.2, 79%, 54.1%)
CMYK79%, 0%, 26.1%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,935,974
CSS custom property--colour: #1D8A66;

Brightness & contrast

Relative luminance0.19397WCAG 2.x, 0 is black and 1 is white
Perceived brightness112.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.88:1
Contrast with white4.3:1WCAG normal text: Fail
Contrast with black4.88:1WCAG normal text: AA
Greyscale equivalent#707070
Inverted#E27599

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#878064no red cones; affects about 1% of men; ΔE 37 from the original
Deuteranopia#7A7668no green cones; the most common form, about 1% of men; ΔE 37.7 from the original
Tritanopia#008A80no blue cones; rare, and affects men and women equally; ΔE 15.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.3:1WCAG large text: AA
Contrast with black, large text4.88:1WCAG large text: AAA

Named colours

Sea green · ΔE 9.2Dark cyan · ΔE 21.5Medium seagreen · ΔE 21.7Teal · ΔE 21.9Light seagreen · ΔE 22.7Medium aquamarine · ΔE 24.7
Nearest named CSS colourSea green (#2E8B57)ΔE 9.18, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8A1D41
Analogous#1D8A30, #1D778A
Triadic#661D8A, #8A661D
Split complementary#8A1D77, #8A301D
Tetradic#301D8A, #8A1D41, #778A1D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8CE7C9
Lighter +30%#62DEB5
Lighter +20%#38D5A1
Lighter +10%#26B485
Darker −10%#146047
Darker −20%#0B3628
Darker −30%#020C09
Darker −40%#000000
More saturated +25%#089F6D
Less saturated −25%#32755F

Channel breakdown

R29
G138
B102
Red29 (11.4%)
Green138 (54.1%)
Blue102 (40%)
Hue160.18°
Saturation (HSL)65.27%
Lightness32.75%
Dominant channelGreen
Hex per channelR 1D · G 8A · B 66

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 “1d8a66” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.