#006F66
Closest named color: Dark Aquamarine (#017371). oklch(48.7% 0.086 185.1), rgb(0, 111, 102).
Aa
White text reads best on this color (6.05:1).
About this color
#006F66 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 49%, its chroma 0.086 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.019 away. White text reads best on it, at 6.05:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.46:1 |
| White text | 6.05:1 |
Values
| HEX | #006F66 |
| RGB | rgb(0, 111, 102) |
| HSL | hsl(175, 100%, 22%) |
| OKLCH | oklch(48.7% 0.086 185.1) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #006F66 | 6.05:1 | AA | Lc -84.9 | Fine for body text |
| Black text on #006F66 | 3.46:1 | AA large text | Lc 24.3 | Dividers and decoration only |
| #006F66 text on white | 6.05:1 | AA | Lc 79.7 | Fine for body text |
| #006F66 text on black | 3.46:1 | AA large text | Lc -22.1 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2EDEB
oklch(93.7% 0.012 184.1)
-
Step 200
200
#C9DEDB
oklch(88.4% 0.023 186.4)
-
Step 300
300
#A3CAC4
oklch(80.9% 0.042 184.9)
-
Step 400
400
#6FAEA6
oklch(70.6% 0.066 185.7)
-
Step 500
500
#439A90
oklch(63% 0.085 185.1)
-
Step 600
600
#18857A
oklch(55.7% 0.093 184.3)
-
Step 700
700 (this color)
#006F66
oklch(48.7% 0.086 185.1)
-
Step 800
800
#0D5B54
oklch(42.6% 0.071 185.5)
-
Step 900
900
#174B45
oklch(37.7% 0.055 184.5)
-
Step 950
950
#0F2C29
oklch(27% 0.035 186.3)
#006F66 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #696866 | 0.092 |
| Deuteranopia (no green cones) | #5C5F67 | 0.086 |
| Tritanopia (no blue cones) | #00726C | 0.012 |
| Achromatopsia (no color) | #626262 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #006F66
#006F66
oklch(48.7% 0.086 185.1)
- #884A59
#884A59
oklch(48.8% 0.086 5.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #006F66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.019
- Deep Turquoise #017374 ΔE 0.023
- Dark Aqua #05696B ΔE 0.023
- Dark Green Blue #1F6357 ΔE 0.038
- Bluegreen #017A79 ΔE 0.040
- Deep Aqua #08787F ΔE 0.043
- Petrol #005F6A ΔE 0.055
- Teal #008080 ΔE 0.058
Use #006F66 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.