#669D7B
Closest named color: Grey Teal (#5E9B8A). oklch(64.8% 0.078 156.4), rgb(102, 157, 123).
Aa
Black text reads best on this color (6.67:1).
About this color
#669D7B is a medium-light, moderately saturated green. In OKLCH its lightness is 65%, its chroma 0.078 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grey Teal (#5E9B8A), ΔE 0.025 away. Black text reads best on it, at 6.67:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.078) |
| Temperature | in between |
| Nearest name | Grey Teal (#5E9B8A) |
| Black text | 6.67:1 |
| White text | 3.14:1 |
Values
| HEX | #669D7B |
| RGB | rgb(102, 157, 123) |
| HSL | hsl(143, 22%, 51%) |
| OKLCH | oklch(64.8% 0.078 156.4) |
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 #669D7B | 3.14:1 | AA large text | Lc -63.9 | Content text, not long reading |
| Black text on #669D7B | 6.67:1 | AA | Lc 45.6 | Large or bold text, headings |
| #669D7B text on white | 3.14:1 | AA large text | Lc 58.5 | Large or bold text, headings |
| #669D7B text on black | 6.67:1 | AA | Lc -43.3 | 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
#CFDED3
oklch(88.6% 0.022 154.1)
-
Step 300
300
#AEC8B7
oklch(80.9% 0.037 156.8)
-
Step 400
400
#82AC91
oklch(70.6% 0.06 156.3)
-
Step 500
500 (this color)
#669D7B
oklch(64.8% 0.078 156.4)
-
Step 600
600
#46825F
oklch(55.6% 0.084 156.7)
-
Step 700
700
#376E4E
oklch(49.1% 0.079 156.4)
-
Step 800
800
#2E5A40
oklch(42.8% 0.066 156.3)
-
Step 900
900
#2A4A36
oklch(37.8% 0.051 155.6)
-
Step 950
950
#192B20
oklch(26.9% 0.032 156.7)
#669D7B 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) | #9C9579 | 0.071 |
| Deuteranopia (no green cones) | #938F7D | 0.068 |
| Tritanopia (no blue cones) | #5B9C93 | 0.037 |
| Achromatopsia (no color) | #919191 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #669D7B
#669D7B
oklch(64.8% 0.078 156.4)
- #AD7CA0
#AD7CA0
oklch(64.7% 0.078 336.5)
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 #669D7B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Teal #5E9B8A ΔE 0.025
- Dull Teal #5F9E8F ΔE 0.028
- Greeny Grey #7EA07A ΔE 0.030
- Green Grey #77926F ΔE 0.033
- Tea #65AB7C ΔE 0.041
- Grey Green #86A17D ΔE 0.041
- Ocean Green #3D9973 ΔE 0.043
- Moss #769958 ΔE 0.044
Use #669D7B 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.