#669589
Closest named color: Grey Teal (#5E9B8A). oklch(63.2% 0.054 176.8), rgb(102, 149, 137).
Aa
Black text reads best on this color (6.22:1).
About this color
#669589 is a medium-light, muted teal or cyan. In OKLCH its lightness is 63%, its chroma 0.054 and its hue 177°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Teal (#5E9B8A), ΔE 0.018 away. Black text reads best on it, at 6.22:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (63%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Grey Teal (#5E9B8A) |
| Black text | 6.22:1 |
| White text | 3.37:1 |
Values
| HEX | #669589 |
| RGB | rgb(102, 149, 137) |
| HSL | hsl(165, 19%, 49%) |
| OKLCH | oklch(63.2% 0.054 176.8) |
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 #669589 | 3.37:1 | AA large text | Lc -66.6 | Content text, not long reading |
| Black text on #669589 | 6.22:1 | AA | Lc 42.9 | Non-text elements, placeholder text |
| #669589 text on white | 3.37:1 | AA large text | Lc 61.1 | Content text, not long reading |
| #669589 text on black | 6.22:1 | AA | Lc -40.6 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5ECEA
oklch(93.7% 0.008 177.3)
-
Step 200
200
#D0DCD9
oklch(88.5% 0.014 179.4)
-
Step 300
300
#B0C7C0
oklch(81% 0.027 175.4)
-
Step 400
400
#85AAA0
oklch(70.8% 0.043 176.7)
-
Step 500
500 (this color)
#669589
oklch(63.2% 0.054 176.8)
-
Step 600
600
#4C7F72
oklch(55.6% 0.059 176)
-
Step 700
700
#3C6B60
oklch(49.1% 0.055 177.1)
-
Step 800
800
#32574E
oklch(42.6% 0.045 176.7)
-
Step 900
900
#2D4841
oklch(37.8% 0.035 176.2)
-
Step 950
950
#1A2A26
oklch(26.9% 0.023 177.2)
#669589 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) | #928F89 | 0.058 |
| Deuteranopia (no green cones) | #89898A | 0.055 |
| Tritanopia (no blue cones) | #599691 | 0.016 |
| Achromatopsia (no color) | #8C8C8C | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #669589
#669589
oklch(63.2% 0.054 176.8)
- #A67D8A
#A67D8A
oklch(63.4% 0.054 357.9)
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 #669589, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Teal #5E9B8A ΔE 0.018
- Dull Teal #5F9E8F ΔE 0.025
- Dusty Teal #4C9085 ΔE 0.033
- Cadet Blue #5F9EA0 ΔE 0.035
- Sea #3C9992 ΔE 0.037
- Green Grey #77926F ΔE 0.038
- Slate Green #658D6D ΔE 0.041
- Persian Green #2A9D8F ΔE 0.048
Use #669589 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.