#668680
Closest named color: Steel Grey (#6F828A). oklch(59.4% 0.037 182.2), rgb(102, 134, 128).
Aa
Black text reads best on this color (5.28:1).
About this color
#668680 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 59%, its chroma 0.037 and its hue 182°. Its hue sits on the cool side of the wheel. The nearest named color is Steel Grey (#6F828A), ΔE 0.026 away. Black text reads best on it, at 5.28:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Steel Grey (#6F828A) |
| Black text | 5.28:1 |
| White text | 3.97:1 |
Values
| HEX | #668680 |
| RGB | rgb(102, 134, 128) |
| HSL | hsl(169, 14%, 46%) |
| OKLCH | oklch(59.4% 0.037 182.2) |
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 #668680 | 3.97:1 | AA large text | Lc -72.6 | Content text, not long reading |
| Black text on #668680 | 5.28:1 | AA | Lc 37.0 | Non-text elements, placeholder text |
| #668680 text on white | 3.97:1 | AA large text | Lc 67.1 | Content text, not long reading |
| #668680 text on black | 5.28:1 | AA | Lc -34.6 | 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
#D2DBD9
oklch(88.4% 0.01 181.4)
-
Step 300
300
#B4C5C1
oklch(80.9% 0.019 180.1)
-
Step 400
400
#8DA7A2
oklch(70.7% 0.03 182.5)
-
Step 500
500 (this color)
#668680
oklch(59.4% 0.037 182.2)
-
Step 600
600
#597B75
oklch(55.5% 0.04 182.7)
-
Step 700
700
#496862
oklch(49.1% 0.037 181.4)
-
Step 800
800
#3C5550
oklch(42.8% 0.031 181)
-
Step 900
900
#334643
oklch(37.7% 0.025 184.3)
-
Step 950
950
#1E2927
oklch(27% 0.016 182.8)
#668680 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) | #838280 | 0.040 |
| Deuteranopia (no green cones) | #7D7E81 | 0.038 |
| Tritanopia (no blue cones) | #5D8784 | 0.011 |
| Achromatopsia (no color) | #808080 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #668680
#668680
oklch(59.4% 0.037 182.2)
- #92757C
#92757C
oklch(59.2% 0.038 2.2)
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 #668680, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Grey #6F828A ΔE 0.026
- Battleship Grey #6B7C85 ΔE 0.033
- Medium Grey #7D7F7C ΔE 0.034
- Dusty Teal #4C9085 ΔE 0.036
- Slate Gray #708090 ΔE 0.038
- Gray #808080 ΔE 0.038
- Steel #738595 ΔE 0.039
- Grey Blue #647D8E ΔE 0.040
Use #668680 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.