#668F80
Closest named color: Dusty Teal (#4C9085). oklch(61.5% 0.051 169.9), rgb(102, 143, 128).
Aa
Black text reads best on this color (5.80:1).
About this color
#668F80 is a medium-dark, muted green. In OKLCH its lightness is 62%, its chroma 0.051 and its hue 170°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.026 away. Black text reads best on it, at 5.80:1.
| Hue family | Greens |
| Lightness | medium-dark (62%) |
| Chroma | muted (0.051) |
| Temperature | in between |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.80:1 |
| White text | 3.61:1 |
Values
| HEX | #668F80 |
| RGB | rgb(102, 143, 128) |
| HSL | hsl(158, 17%, 48%) |
| OKLCH | oklch(61.5% 0.051 169.9) |
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 #668F80 | 3.61:1 | AA large text | Lc -69.2 | Content text, not long reading |
| Black text on #668F80 | 5.80:1 | AA | Lc 40.3 | Non-text elements, placeholder text |
| #668F80 text on white | 3.61:1 | AA large text | Lc 63.7 | Content text, not long reading |
| #668F80 text on black | 5.80:1 | AA | Lc -37.9 | 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
#E5EBE9
oklch(93.5% 0.007 174.4)
-
Step 200
200
#D1DCD8
oklch(88.5% 0.013 172.3)
-
Step 300
300
#B2C6BE
oklch(80.9% 0.024 169.7)
-
Step 400
400
#89A99D
oklch(70.7% 0.039 170.4)
-
Step 500
500 (this color)
#668F80
oklch(61.5% 0.051 169.9)
-
Step 600
600
#527E6E
oklch(55.6% 0.055 169.4)
-
Step 700
700
#426A5C
oklch(49% 0.051 170)
-
Step 800
800
#37574B
oklch(42.8% 0.043 168.7)
-
Step 900
900
#30473F
oklch(37.6% 0.032 170.9)
-
Step 950
950
#1C2A25
oklch(27% 0.021 170.6)
#668F80 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) | #8D8A7F | 0.052 |
| Deuteranopia (no green cones) | #858481 | 0.050 |
| Tritanopia (no blue cones) | #5C908A | 0.017 |
| Achromatopsia (no color) | #868686 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #668F80
#668F80
oklch(61.5% 0.051 169.9)
- #9D7989
#9D7989
oklch(61.6% 0.05 350.2)
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 #668F80, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.026
- Slate Green #658D6D ΔE 0.027
- Grey Teal #5E9B8A ΔE 0.033
- Green Grey #77926F ΔE 0.034
- Dull Teal #5F9E8F ΔE 0.042
- Sea #3C9992 ΔE 0.044
- Steel Grey #6F828A ΔE 0.047
- Medium Grey #7D7F7C ΔE 0.051
Use #668F80 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.