#669D86
Closest named color: Grey Teal (#5E9B8A). oklch(65.1% 0.068 166.2), rgb(102, 157, 134).
Aa
Black text reads best on this color (6.73:1).
About this color
#669D86 is a medium-light, muted green. In OKLCH its lightness is 65%, its chroma 0.068 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grey Teal (#5E9B8A), ΔE 0.013 away. Black text reads best on it, at 6.73:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | muted (0.068) |
| Temperature | in between |
| Nearest name | Grey Teal (#5E9B8A) |
| Black text | 6.73:1 |
| White text | 3.11:1 |
Values
| HEX | #669D86 |
| RGB | rgb(102, 157, 134) |
| HSL | hsl(155, 22%, 51%) |
| OKLCH | oklch(65.1% 0.068 166.2) |
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 #669D86 | 3.11:1 | AA large text | Lc -63.5 | Content text, not long reading |
| Black text on #669D86 | 6.73:1 | AA | Lc 45.9 | Large or bold text, headings |
| #669D86 text on white | 3.11:1 | AA large text | Lc 58.1 | Large or bold text, headings |
| #669D86 text on black | 6.73:1 | AA | Lc -43.6 | 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
#E4ECE8
oklch(93.6% 0.01 164.9)
-
Step 200
200
#CEDDD6
oklch(88.4% 0.019 166.3)
-
Step 300
300
#ADC8BC
oklch(80.9% 0.034 166.9)
-
Step 400
400
#81AC99
oklch(70.8% 0.054 165.9)
-
Step 500
500 (this color)
#669D86
oklch(65.1% 0.068 166.2)
-
Step 600
600
#458169
oklch(55.5% 0.074 165.9)
-
Step 700
700
#366D58
oklch(49.1% 0.068 166.6)
-
Step 800
800
#2E5948
oklch(42.7% 0.056 166.2)
-
Step 900
900
#29493C
oklch(37.6% 0.044 166.2)
-
Step 950
950
#192B23
oklch(27% 0.028 164.8)
#669D86 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) | #9B9685 | 0.069 |
| Deuteranopia (no green cones) | #918F87 | 0.065 |
| Tritanopia (no blue cones) | #589D96 | 0.026 |
| Achromatopsia (no color) | #929292 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #669D86
#669D86
oklch(65.1% 0.068 166.2)
- #AF7F98
#AF7F98
oklch(65.2% 0.068 346.6)
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 #669D86, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Teal #5E9B8A ΔE 0.013
- Dull Teal #5F9E8F ΔE 0.013
- Greeny Grey #7EA07A ΔE 0.034
- Cadet Blue #5F9EA0 ΔE 0.038
- Green Grey #77926F ΔE 0.038
- Grey Green #86A17D ΔE 0.042
- Sea #3C9992 ΔE 0.043
- Persian Green #2A9D8F ΔE 0.046
Use #669D86 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.