#668981
Closest named color: Steel Grey (#6F828A). oklch(60.1% 0.041 179.2), rgb(102, 137, 129).
Aa
Black text reads best on this color (5.46:1).
About this color
#668981 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 60%, its chroma 0.041 and its hue 179°. Its hue sits on the cool side of the wheel. The nearest named color is Steel Grey (#6F828A), ΔE 0.031 away. Black text reads best on it, at 5.46:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Steel Grey (#6F828A) |
| Black text | 5.46:1 |
| White text | 3.84:1 |
Values
| HEX | #668981 |
| RGB | rgb(102, 137, 129) |
| HSL | hsl(166, 15%, 47%) |
| OKLCH | oklch(60.1% 0.041 179.2) |
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 #668981 | 3.84:1 | AA large text | Lc -71.4 | Content text, not long reading |
| Black text on #668981 | 5.46:1 | AA | Lc 38.2 | Non-text elements, placeholder text |
| #668981 text on white | 3.84:1 | AA large text | Lc 65.9 | Content text, not long reading |
| #668981 text on black | 5.46:1 | AA | Lc -35.7 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E6EBEA
oklch(93.6% 0.006 183)
-
Step 200
200
#D2DCD9
oklch(88.6% 0.012 176.3)
-
Step 300
300
#B4C5C1
oklch(80.9% 0.019 180.1)
-
Step 400
400
#8CA8A1
oklch(70.8% 0.033 178.5)
-
Step 500
500 (this color)
#668981
oklch(60.1% 0.041 179.2)
-
Step 600
600
#567C74
oklch(55.5% 0.045 180)
-
Step 700
700
#466961
oklch(49.2% 0.042 178.6)
-
Step 800
800
#3A554F
oklch(42.6% 0.034 179.2)
-
Step 900
900
#324642
oklch(37.6% 0.026 181.1)
-
Step 950
950
#1E2927
oklch(27% 0.016 182.8)
#668981 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) | #868581 | 0.044 |
| Deuteranopia (no green cones) | #808082 | 0.042 |
| Tritanopia (no blue cones) | #5D8A86 | 0.011 |
| Achromatopsia (no color) | #828282 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #668981
#668981
oklch(60.1% 0.041 179.2)
- #967780
#967780
oklch(60.2% 0.041 359.1)
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 #668981, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Grey #6F828A ΔE 0.031
- Dusty Teal #4C9085 ΔE 0.031
- Slate Green #658D6D ΔE 0.036
- Medium Grey #7D7F7C ΔE 0.038
- Gray #808080 ΔE 0.041
- Steel #738595 ΔE 0.041
- Battleship Grey #6B7C85 ΔE 0.041
- Slate Gray #708090 ΔE 0.043
Use #668981 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.