#669391
Closest named color: Grey Teal (#5E9B8A). oklch(63% 0.049 192.5), rgb(102, 147, 145).
Aa
Black text reads best on this color (6.14:1).
About this color
#669391 is a medium-light, muted teal or cyan. In OKLCH its lightness is 63%, its chroma 0.049 and its hue 192°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Teal (#5E9B8A), ΔE 0.030 away. Black text reads best on it, at 6.14:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (63%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Grey Teal (#5E9B8A) |
| Black text | 6.14:1 |
| White text | 3.41:1 |
Values
| HEX | #669391 |
| RGB | rgb(102, 147, 145) |
| HSL | hsl(177, 18%, 49%) |
| OKLCH | oklch(63% 0.049 192.5) |
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 #669391 | 3.41:1 | AA large text | Lc -67.1 | Content text, not long reading |
| Black text on #669391 | 6.14:1 | AA | Lc 42.4 | Non-text elements, placeholder text |
| #669391 text on white | 3.41:1 | AA large text | Lc 61.6 | Content text, not long reading |
| #669391 text on black | 6.14:1 | AA | Lc -40.1 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E5EBEB
oklch(93.6% 0.006 197)
-
Step 200
200
#D0DCDB
oklch(88.5% 0.013 190.9)
-
Step 300
300
#B0C6C5
oklch(81% 0.024 193.4)
-
Step 400
400
#86A9A7
oklch(70.8% 0.038 192)
-
Step 500
500 (this color)
#669391
oklch(63% 0.049 192.5)
-
Step 600
600
#4C7D7C
oklch(55.5% 0.053 194.1)
-
Step 700
700
#3D6A68
oklch(49.1% 0.05 192)
-
Step 800
800
#335655
oklch(42.6% 0.041 193.4)
-
Step 900
900
#2D4746
oklch(37.7% 0.032 192.8)
-
Step 950
950
#1B2A29
oklch(27.1% 0.02 190.8)
#669391 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) | #8E8F91 | 0.052 |
| Deuteranopia (no green cones) | #858892 | 0.049 |
| Tritanopia (no blue cones) | #569692 | 0.018 |
| Achromatopsia (no color) | #8B8B8B | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #669391
#669391
oklch(63% 0.049 192.5)
- #A57D81
#A57D81
oklch(63% 0.05 11.9)
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 #669391, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Teal #5E9B8A ΔE 0.030
- Cadet Blue #5F9EA0 ΔE 0.032
- Dull Teal #5F9E8F ΔE 0.034
- Dusty Teal #4C9085 ΔE 0.035
- Sea #3C9992 ΔE 0.039
- Blue Grey #758DA3 ΔE 0.042
- Light Slate Gray #778899 ΔE 0.042
- Steel #738595 ΔE 0.045
Use #669391 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.