Nerdulator> put something in

Recognised as Colour

#178C67

  • #178C67
  • Cyan
  • Dark
  • Nearest: Sea green

#178C67 is a cyan with RGB values 23, 140, 103 and HSL 161°, 72%, 32%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Sea green.

Colour values

#178C67#178C67
HEX#178C67
RGBrgb(23, 140, 103)
RGB (0–1)0.0902, 0.549, 0.4039
RGB percentages9%, 54.9%, 40.4%
HSLhsl(161, 71.8%, 32%)
HSV / HSBhsv(161, 83.6%, 54.9%)
CMYK83.6%, 0%, 26.4%, 45.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,543,271
CSS custom property--colour: #178C67;

Brightness & contrast

Relative luminance0.19918WCAG 2.x, 0 is black and 1 is white
Perceived brightness113.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.98:1
Contrast with white4.21:1WCAG normal text: Fail
Contrast with black4.98:1WCAG normal text: AA
Greyscale equivalent#707070
Inverted#E87398

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#898165no red cones; affects about 1% of men; ΔE 38.6 from the original
Deuteranopia#7B7769no green cones; the most common form, about 1% of men; ΔE 39 from the original
Tritanopia#008C82no blue cones; rare, and affects men and women equally; ΔE 16.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.21:1WCAG large text: AA
Contrast with black, large text4.98:1WCAG large text: AAA

Named colours

Sea green · ΔE 8.9Medium seagreen · ΔE 20.6Dark cyan · ΔE 22.2Light seagreen · ΔE 22.6Teal · ΔE 22.8Medium aquamarine · ΔE 24.2
Nearest named CSS colourSea green (#2E8B57)ΔE 8.87, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8C173C
Analogous#178C2C, #17778C
Triadic#67178C, #8C6717
Split complementary#8C1777, #8C2C17
Tetradic#2C178C, #8C173C, #778C17

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#84EBCA
Lighter +30%#58E4B8
Lighter +20%#2DDCA5
Lighter +10%#1EB887
Darker −10%#106047
Darker −20%#093427
Darker −30%#010906
Darker −40%#000000
More saturated +25%#03A06E
Less saturated −25%#2B7860

Channel breakdown

R23
G140
B103
Red23 (9%)
Green140 (54.9%)
Blue103 (40.4%)
Hue161.03°
Saturation (HSL)71.78%
Lightness31.96%
Dominant channelGreen
Hex per channelR 17 · G 8C · B 67

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 “178c67” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.