#668C81
Closest named color: Dusty Teal (#4C9085). oklch(60.8% 0.046 174.9), rgb(102, 140, 129).
Aa
Black text reads best on this color (5.63:1).
About this color
#668C81 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 61%, its chroma 0.046 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.027 away. Black text reads best on it, at 5.63:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.63:1 |
| White text | 3.72:1 |
Values
| HEX | #668C81 |
| RGB | rgb(102, 140, 129) |
| HSL | hsl(163, 16%, 47%) |
| OKLCH | oklch(60.8% 0.046 174.9) |
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 #668C81 | 3.72:1 | AA large text | Lc -70.3 | Content text, not long reading |
| Black text on #668C81 | 5.63:1 | AA | Lc 39.3 | Non-text elements, placeholder text |
| #668C81 text on white | 3.72:1 | AA large text | Lc 64.8 | Content text, not long reading |
| #668C81 text on black | 5.63:1 | AA | Lc -36.9 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E6EBE9
oklch(93.6% 0.006 170.4)
-
Step 200
200
#D1DCD8
oklch(88.5% 0.013 172.3)
-
Step 300
300
#B3C6C0
oklch(81% 0.022 174.8)
-
Step 400
400
#8AA89F
oklch(70.6% 0.036 175.1)
-
Step 500
500 (this color)
#668C81
oklch(60.8% 0.046 174.9)
-
Step 600
600
#547D72
oklch(55.6% 0.049 175.8)
-
Step 700
700
#44695F
oklch(49% 0.045 175.5)
-
Step 800
800
#38564E
oklch(42.7% 0.038 175.9)
-
Step 900
900
#314741
oklch(37.8% 0.029 175.9)
-
Step 950
950
#1D2A26
oklch(27.2% 0.019 173.9)
#668C81 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) | #898781 | 0.048 |
| Deuteranopia (no green cones) | #828282 | 0.046 |
| Tritanopia (no blue cones) | #5C8D89 | 0.015 |
| Achromatopsia (no color) | #848484 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #668C81
#668C81
oklch(60.8% 0.046 174.9)
- #9A7884
#9A7884
oklch(60.9% 0.045 355.5)
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 #668C81, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.027
- Slate Green #658D6D ΔE 0.031
- Steel Grey #6F828A ΔE 0.038
- Green Grey #77926F ΔE 0.041
- Grey Teal #5E9B8A ΔE 0.042
- Medium Grey #7D7F7C ΔE 0.044
- Steel #738595 ΔE 0.046
- Gray #808080 ΔE 0.046
Use #668C81 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.