#669B7D
Closest named color: Grey Teal (#5E9B8A). oklch(64.4% 0.072 158.7), rgb(102, 155, 125).
Aa
Black text reads best on this color (6.54:1).
About this color
#669B7D is a medium-light, moderately saturated green. In OKLCH its lightness is 64%, its chroma 0.072 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grey Teal (#5E9B8A), ΔE 0.020 away. Black text reads best on it, at 6.54:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.072) |
| Temperature | in between |
| Nearest name | Grey Teal (#5E9B8A) |
| Black text | 6.54:1 |
| White text | 3.20:1 |
Values
| HEX | #669B7D |
| RGB | rgb(102, 155, 125) |
| HSL | hsl(146, 21%, 50%) |
| OKLCH | oklch(64.4% 0.072 158.7) |
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 #669B7D | 3.20:1 | AA large text | Lc -64.6 | Content text, not long reading |
| Black text on #669B7D | 6.54:1 | AA | Lc 44.9 | Non-text elements, placeholder text |
| #669B7D text on white | 3.20:1 | AA large text | Lc 59.2 | Large or bold text, headings |
| #669B7D 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E4ECE7
oklch(93.6% 0.011 158.8)
-
Step 200
200
#CFDDD4
oklch(88.4% 0.019 157.8)
-
Step 300
300
#AEC8B8
oklch(80.9% 0.036 158.5)
-
Step 400
400
#83AC94
oklch(70.8% 0.057 158.9)
-
Step 500
500 (this color)
#669B7D
oklch(64.4% 0.072 158.7)
-
Step 600
600
#488162
oklch(55.5% 0.078 158.7)
-
Step 700
700
#396D51
oklch(49% 0.073 158.6)
-
Step 800
800
#2F5943
oklch(42.6% 0.06 159.5)
-
Step 900
900
#2B4938
oklch(37.6% 0.047 158.3)
-
Step 950
950
#192B21
oklch(27% 0.03 159.2)
#669B7D 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) | #9A937B | 0.069 |
| Deuteranopia (no green cones) | #918D7F | 0.066 |
| Tritanopia (no blue cones) | #5B9A92 | 0.033 |
| Achromatopsia (no color) | #909090 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #669B7D
#669B7D
oklch(64.4% 0.072 158.7)
- #AB7C9C
#AB7C9C
oklch(64.3% 0.073 338.7)
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 #669B7D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Teal #5E9B8A ΔE 0.020
- Dull Teal #5F9E8F ΔE 0.024
- Green Grey #77926F ΔE 0.030
- Greeny Grey #7EA07A ΔE 0.034
- Slate Green #658D6D ΔE 0.041
- Ocean Green #3D9973 ΔE 0.043
- Grey Green #86A17D ΔE 0.044
- Sea #3C9992 ΔE 0.047
Use #669B7D 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.