#668F88
Closest named color: Dusty Teal (#4C9085). oklch(61.8% 0.046 183), rgb(102, 143, 136).
Aa
Black text reads best on this color (5.84:1).
About this color
#668F88 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 62%, its chroma 0.046 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.028 away. Black text reads best on it, at 5.84:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (62%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.84:1 |
| White text | 3.59:1 |
Values
| HEX | #668F88 |
| RGB | rgb(102, 143, 136) |
| HSL | hsl(170, 17%, 48%) |
| OKLCH | oklch(61.8% 0.046 183) |
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 #668F88 | 3.59:1 | AA large text | Lc -68.9 | Content text, not long reading |
| Black text on #668F88 | 5.84:1 | AA | Lc 40.6 | Non-text elements, placeholder text |
| #668F88 text on white | 3.59:1 | AA large text | Lc 63.5 | Content text, not long reading |
| #668F88 text on black | 5.84:1 | AA | Lc -38.2 | 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
#E5EBEA
oklch(93.5% 0.007 185.3)
-
Step 200
200
#D1DCDA
oklch(88.6% 0.012 184)
-
Step 300
300
#B1C6C2
oklch(81% 0.024 183)
-
Step 400
400
#88A8A3
oklch(70.6% 0.036 184.8)
-
Step 500
500 (this color)
#668F88
oklch(61.8% 0.046 183)
-
Step 600
600
#517D76
oklch(55.5% 0.05 183.4)
-
Step 700
700
#416A63
oklch(49.2% 0.048 182.3)
-
Step 800
800
#365651
oklch(42.7% 0.039 183.6)
-
Step 900
900
#2F4743
oklch(37.7% 0.03 183.1)
-
Step 950
950
#1C2A27
oklch(27.1% 0.02 180)
#668F88 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) | #8B8A88 | 0.050 |
| Deuteranopia (no green cones) | #848589 | 0.047 |
| Tritanopia (no blue cones) | #5A918D | 0.014 |
| Achromatopsia (no color) | #878787 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #668F88
#668F88
oklch(61.8% 0.046 183)
- #9E7A83
#9E7A83
oklch(61.7% 0.046 1.9)
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 #668F88, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.028
- Grey Teal #5E9B8A ΔE 0.035
- Slate Green #658D6D ΔE 0.039
- Steel Grey #6F828A ΔE 0.040
- Dull Teal #5F9E8F ΔE 0.042
- Sea #3C9992 ΔE 0.043
- Steel #738595 ΔE 0.044
- Green Grey #77926F ΔE 0.044
Use #668F88 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.