#669A89
Closest named color: Grey Teal (#5E9B8A). oklch(64.4% 0.061 171.8), rgb(102, 154, 137).
Aa
Black text reads best on this color (6.54:1).
About this color
#669A89 is a medium-light, muted teal or cyan. In OKLCH its lightness is 64%, its chroma 0.061 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Teal (#5E9B8A), ΔE 0.008 away. Black text reads best on it, at 6.54:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (64%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Grey Teal (#5E9B8A) |
| Black text | 6.54:1 |
| White text | 3.20:1 |
Values
| HEX | #669A89 |
| RGB | rgb(102, 154, 137) |
| HSL | hsl(160, 20%, 50%) |
| OKLCH | oklch(64.4% 0.061 171.8) |
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 #669A89 | 3.20:1 | AA large text | Lc -64.6 | Content text, not long reading |
| Black text on #669A89 | 6.54:1 | AA | Lc 44.8 | Non-text elements, placeholder text |
| #669A89 text on white | 3.20:1 | AA large text | Lc 59.2 | Large or bold text, headings |
| #669A89 text on black | 6.54:1 | AA | Lc -42.5 | 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
#E4ECE9
oklch(93.6% 0.009 171.8)
-
Step 200
200
#CFDDD8
oklch(88.6% 0.016 172.6)
-
Step 300
300
#AEC7BE
oklch(80.8% 0.03 171.9)
-
Step 400
400
#83AB9D
oklch(70.8% 0.048 171.4)
-
Step 500
500 (this color)
#669A89
oklch(64.4% 0.061 171.8)
-
Step 600
600
#47806F
oklch(55.5% 0.066 172.5)
-
Step 700
700
#386C5C
oklch(49% 0.062 171.5)
-
Step 800
800
#2F584C
oklch(42.6% 0.051 172.9)
-
Step 900
900
#2A493F
oklch(37.8% 0.041 171.5)
-
Step 950
950
#192B25
oklch(27.1% 0.026 171.3)
#669A89 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) | #979488 | 0.063 |
| Deuteranopia (no green cones) | #8E8D8A | 0.061 |
| Tritanopia (no blue cones) | #589B95 | 0.020 |
| Achromatopsia (no color) | #909090 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #669A89
#669A89
oklch(64.4% 0.061 171.8)
- #AB7E91
#AB7E91
oklch(64.3% 0.061 351.9)
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 #669A89, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Teal #5E9B8A ΔE 0.008
- Dull Teal #5F9E8F ΔE 0.013
- Cadet Blue #5F9EA0 ΔE 0.032
- Green Grey #77926F ΔE 0.038
- Sea #3C9992 ΔE 0.038
- Greeny Grey #7EA07A ΔE 0.042
- Dusty Teal #4C9085 ΔE 0.042
- Persian Green #2A9D8F ΔE 0.045
Use #669A89 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.