#217F6E
Closest named color: Teal (#008080). oklch(53.9% 0.089 177.8), rgb(33, 127, 110).
Aa
White text reads best on this color (4.85:1).
About this color
#217F6E is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 54%, its chroma 0.089 and its hue 178°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.027 away. White text reads best on it, at 4.85:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.32:1 |
| White text | 4.85:1 |
Values
| HEX | #217F6E |
| RGB | rgb(33, 127, 110) |
| HSL | hsl(169, 59%, 31%) |
| OKLCH | oklch(53.9% 0.089 177.8) |
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 #217F6E | 4.85:1 | AA | Lc -78.7 | Fine for body text |
| Black text on #217F6E | 4.32:1 | AA large text | Lc 30.8 | Non-text elements, placeholder text |
| #217F6E text on white | 4.85:1 | AA | Lc 73.3 | Content text, not long reading |
| #217F6E text on black | 4.32:1 | AA large text | Lc -28.4 | 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 600.
-
Step 50
50
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2ECEA
oklch(93.5% 0.011 182.9)
-
Step 200
200
#CADED9
oklch(88.4% 0.022 179.1)
-
Step 300
300
#A6CAC0
oklch(81% 0.041 176.5)
-
Step 400
400
#74AEA0
oklch(70.7% 0.064 177.5)
-
Step 500
500
#4B9A89
oklch(63.1% 0.083 177.5)
-
Step 600
600 (this color)
#217F6E
oklch(53.9% 0.089 177.8)
-
Step 700
700
#197060
oklch(49.1% 0.083 177.2)
-
Step 800
800
#195B4F
oklch(42.7% 0.068 178.2)
-
Step 900
900
#1C4B41
oklch(37.7% 0.054 177)
-
Step 950
950
#122C26
oklch(27% 0.034 176.7)
#217F6E 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) | #7A776D | 0.094 |
| Deuteranopia (no green cones) | #6D6D6F | 0.090 |
| Tritanopia (no blue cones) | #00817A | 0.018 |
| Achromatopsia (no color) | #717171 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #217F6E
#217F6E
oklch(53.9% 0.089 177.8)
- #98576E
#98576E
oklch(53.8% 0.09 357.9)
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 #217F6E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.027
- Bluegreen #017A79 ΔE 0.029
- Deep Aqua #08787F ΔE 0.041
- Dark Aquamarine #017371 ΔE 0.043
- Deep Turquoise #017374 ΔE 0.045
- Dark Cyan #008B8B ΔE 0.048
- Sea Green #2E8B57 ΔE 0.059
- Viridian #1E9167 ΔE 0.061
Use #217F6E 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.