#006E63
Closest named color: Dark Aqua (#05696B). oklch(48.3% 0.086 183), rgb(0, 110, 99).
Aa
White text reads best on this color (6.15:1).
About this color
#006E63 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 48%, its chroma 0.086 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aqua (#05696B), ΔE 0.024 away. White text reads best on it, at 6.15:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Dark Aqua (#05696B) |
| Black text | 3.41:1 |
| White text | 6.15:1 |
Values
| HEX | #006E63 |
| RGB | rgb(0, 110, 99) |
| HSL | hsl(174, 100%, 22%) |
| OKLCH | oklch(48.3% 0.086 183) |
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 #006E63 | 6.15:1 | AA | Lc -85.4 | Fine for body text |
| Black text on #006E63 | 3.41:1 | AA large text | Lc 23.9 | Dividers and decoration only |
| #006E63 text on white | 6.15:1 | AA | Lc 80.2 | Fine for body text |
| #006E63 text on black | 3.41:1 | AA large text | Lc -21.7 | 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
#E2EDEA
oklch(93.7% 0.012 178)
-
Step 200
200
#C9DEDA
oklch(88.4% 0.023 183.1)
-
Step 300
300
#A4CAC3
oklch(80.9% 0.042 182.8)
-
Step 400
400
#70AFA4
oklch(70.8% 0.067 182.1)
-
Step 500
500
#449A8E
oklch(63% 0.085 183.1)
-
Step 600
600
#1A8578
oklch(55.7% 0.093 182.5)
-
Step 700
700 (this color)
#006E63
oklch(48.3% 0.086 183)
-
Step 800
800
#0F5B53
oklch(42.6% 0.07 184.1)
-
Step 900
900
#174B44
oklch(37.6% 0.056 182.8)
-
Step 950
950
#102C28
oklch(27% 0.035 183.1)
#006E63 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) | #686763 | 0.091 |
| Deuteranopia (no green cones) | #5B5E64 | 0.085 |
| Tritanopia (no blue cones) | #00706B | 0.013 |
| Achromatopsia (no color) | #616161 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #006E63
#006E63
oklch(48.3% 0.086 183)
- #86495A
#86495A
oklch(48.4% 0.085 2.9)
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 #006E63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aqua #05696B ΔE 0.024
- Dark Aquamarine #017371 ΔE 0.024
- Deep Turquoise #017374 ΔE 0.028
- Dark Green Blue #1F6357 ΔE 0.034
- Bluegreen #017A79 ΔE 0.044
- Deep Aqua #08787F ΔE 0.048
- Petrol #005F6A ΔE 0.054
- Teal #008080 ΔE 0.063
Use #006E63 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.