#006555
Closest named color: Dark Green Blue (#1F6357). oklch(45.3% 0.084 176.8), rgb(0, 101, 85).
Aa
White text reads best on this color (7.01:1).
About this color
#006555 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 45%, its chroma 0.084 and its hue 177°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.014 away. White text reads best on it, at 7.01:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.99:1 |
| White text | 7.01:1 |
Values
| HEX | #006555 |
| RGB | rgb(0, 101, 85) |
| HSL | hsl(170, 100%, 20%) |
| OKLCH | oklch(45.3% 0.084 176.8) |
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 #006555 | 7.01:1 | AAA | Lc -88.8 | Fine for body text |
| Black text on #006555 | 2.99:1 | Fails | Lc 20.3 | Dividers and decoration only |
| #006555 text on white | 7.01:1 | AAA | Lc 83.8 | Fine for body text |
| #006555 text on black | 2.99:1 | Fails | Lc -18.2 | 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 800.
-
Step 50
50
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDE9
oklch(93.6% 0.014 174.2)
-
Step 200
200
#C7DFD9
oklch(88.4% 0.027 179)
-
Step 300
300
#A0CCC0
oklch(81% 0.049 176.5)
-
Step 400
400
#67B19F
oklch(70.7% 0.079 176.5)
-
Step 500
500
#349D88
oklch(63.1% 0.1 176.9)
-
Step 600
600
#008772
oklch(55.7% 0.104 176.6)
-
Step 700
700
#00715F
oklch(49% 0.091 176.5)
-
Step 800
800 (this color)
#006555
oklch(45.3% 0.084 176.8)
-
Step 900
900
#0B4D41
oklch(37.8% 0.066 176.8)
-
Step 950
950
#0B2D26
oklch(27% 0.041 176.9)
#006555 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) | #615E54 | 0.089 |
| Deuteranopia (no green cones) | #555556 | 0.085 |
| Tritanopia (no blue cones) | #006760 | 0.017 |
| Achromatopsia (no color) | #595959 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #006555
#006555
oklch(45.3% 0.084 176.8)
- #7B4157
#7B4157
oklch(45.4% 0.084 356.9)
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 #006555, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.014
- Dark Aqua #05696B ΔE 0.035
- Spruce #0A5F38 ΔE 0.043
- Petrol #005F6A ΔE 0.045
- Pine #2B5D34 ΔE 0.048
- Dark Aquamarine #017371 ΔE 0.055
- Deep Teal #00555A ΔE 0.057
- Deep Turquoise #017374 ΔE 0.058
Use #006555 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.