#669B6F
Closest named color: Moss (#769958). oklch(64% 0.087 148.9), rgb(102, 155, 111).
Aa
Black text reads best on this color (6.48:1).
About this color
#669B6F is a medium-light, moderately saturated green. In OKLCH its lightness is 64%, its chroma 0.087 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Moss (#769958), ΔE 0.030 away. Black text reads best on it, at 6.48:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.087) |
| Temperature | in between |
| Nearest name | Moss (#769958) |
| Black text | 6.48:1 |
| White text | 3.23:1 |
Values
| HEX | #669B6F |
| RGB | rgb(102, 155, 111) |
| HSL | hsl(130, 21%, 50%) |
| OKLCH | oklch(64% 0.087 148.9) |
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 #669B6F | 3.23:1 | AA large text | Lc -65.0 | Content text, not long reading |
| Black text on #669B6F | 6.48:1 | AA | Lc 44.5 | Non-text elements, placeholder text |
| #669B6F text on white | 3.23:1 | AA large text | Lc 59.6 | Large or bold text, headings |
| #669B6F text on black | 6.48:1 | AA | Lc -42.1 | 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
#F3F6F3
oklch(97% 0.005 145.5)
-
Step 100
100
#E5ECE5
oklch(93.6% 0.012 145.5)
-
Step 200
200
#CFDED1
oklch(88.6% 0.024 149.3)
-
Step 300
300
#AFC9B2
oklch(81% 0.043 148.5)
-
Step 400
400
#83AD8A
oklch(70.7% 0.068 149.4)
-
Step 500
500 (this color)
#669B6F
oklch(64% 0.087 148.9)
-
Step 600
600
#498354
oklch(55.7% 0.095 148.7)
-
Step 700
700
#3A6E44
oklch(49% 0.087 148.6)
-
Step 800
800
#305A38
oklch(42.7% 0.073 148.7)
-
Step 900
900
#2B4A31
oklch(37.7% 0.056 149.3)
-
Step 950
950
#1A2B1D
oklch(26.9% 0.034 149.2)
#669B6F 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) | #9C926C | 0.072 |
| Deuteranopia (no green cones) | #948D71 | 0.070 |
| Tritanopia (no blue cones) | #5F998F | 0.048 |
| Achromatopsia (no color) | #8F8F8F | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #669B6F
#669B6F
oklch(64% 0.087 148.9)
- #AA79A6
#AA79A6
oklch(64% 0.087 329.3)
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 #669B6F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Moss #769958 ΔE 0.030
- Green Grey #77926F ΔE 0.032
- Drab Green #749551 ΔE 0.036
- Greeny Grey #7EA07A ΔE 0.037
- Ocean Green #3D9973 ΔE 0.038
- Grey Teal #5E9B8A ΔE 0.038
- Slate Green #658D6D ΔE 0.041
- Dull Teal #5F9E8F ΔE 0.043
Use #669B6F 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.