#669888
Closest named color: Grey Teal (#5E9B8A). oklch(63.9% 0.059 172.3), rgb(102, 152, 136).
Aa
Black text reads best on this color (6.41:1).
About this color
#669888 is a medium-light, muted teal or cyan. In OKLCH its lightness is 64%, its chroma 0.059 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Teal (#5E9B8A), ΔE 0.011 away. Black text reads best on it, at 6.41:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (64%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Grey Teal (#5E9B8A) |
| Black text | 6.41:1 |
| White text | 3.27:1 |
Values
| HEX | #669888 |
| RGB | rgb(102, 152, 136) |
| HSL | hsl(161, 20%, 50%) |
| OKLCH | oklch(63.9% 0.059 172.3) |
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 #669888 | 3.27:1 | AA large text | Lc -65.5 | Content text, not long reading |
| Black text on #669888 | 6.41:1 | AA | Lc 44.0 | Non-text elements, placeholder text |
| #669888 text on white | 3.27:1 | AA large text | Lc 60.0 | Content text, not long reading |
| #669888 text on black | 6.41:1 | AA | Lc -41.7 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5ECE9
oklch(93.7% 0.008 168.7)
-
Step 200
200
#CFDDD8
oklch(88.6% 0.016 172.6)
-
Step 300
300
#AFC7BE
oklch(80.9% 0.029 171)
-
Step 400
400
#84AA9D
oklch(70.6% 0.046 172)
-
Step 500
500 (this color)
#669888
oklch(63.9% 0.059 172.3)
-
Step 600
600
#49806F
oklch(55.6% 0.065 172)
-
Step 700
700
#3A6C5D
oklch(49.1% 0.06 172.3)
-
Step 800
800
#31584C
oklch(42.7% 0.049 172.1)
-
Step 900
900
#2B483F
oklch(37.6% 0.038 172.5)
-
Step 950
950
#1A2A25
oklch(26.9% 0.023 173)
#669888 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) | #959287 | 0.061 |
| Deuteranopia (no green cones) | #8C8B89 | 0.059 |
| Tritanopia (no blue cones) | #589993 | 0.019 |
| Achromatopsia (no color) | #8E8E8E | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #669888
#669888
oklch(63.9% 0.059 172.3)
- #A97D8F
#A97D8F
oklch(63.8% 0.06 352.6)
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 #669888, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Teal #5E9B8A ΔE 0.011
- Dull Teal #5F9E8F ΔE 0.017
- Cadet Blue #5F9EA0 ΔE 0.034
- Green Grey #77926F ΔE 0.036
- Sea #3C9992 ΔE 0.037
- Dusty Teal #4C9085 ΔE 0.038
- Slate Green #658D6D ΔE 0.043
- Greeny Grey #7EA07A ΔE 0.045
Use #669888 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.