#669B6D
Closest named color: Moss (#769958). oklch(64% 0.089 147.7), rgb(102, 155, 109).
Aa
Black text reads best on this color (6.47:1).
About this color
#669B6D is a medium-light, moderately saturated green. In OKLCH its lightness is 64%, its chroma 0.089 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Moss (#769958), ΔE 0.028 away. Black text reads best on it, at 6.47:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.089) |
| Temperature | in between |
| Nearest name | Moss (#769958) |
| Black text | 6.47:1 |
| White text | 3.24:1 |
Values
| HEX | #669B6D |
| RGB | rgb(102, 155, 109) |
| HSL | hsl(128, 21%, 50%) |
| OKLCH | oklch(64% 0.089 147.7) |
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 #669B6D | 3.24:1 | AA large text | Lc -65.1 | Content text, not long reading |
| Black text on #669B6D | 6.47:1 | AA | Lc 44.4 | Non-text elements, placeholder text |
| #669B6D text on white | 3.24:1 | AA large text | Lc 59.6 | Large or bold text, headings |
| #669B6D text on black | 6.47:1 | 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
#CFDED0
oklch(88.5% 0.025 147.3)
-
Step 300
300
#AFC9B1
oklch(81% 0.044 147.3)
-
Step 400
400
#84AD88
oklch(70.7% 0.069 147.4)
-
Step 500
500 (this color)
#669B6D
oklch(64% 0.089 147.7)
-
Step 600
600
#498352
oklch(55.7% 0.097 147.8)
-
Step 700
700
#3A6E43
oklch(49% 0.088 148.1)
-
Step 800
800
#315A37
oklch(42.7% 0.074 147.6)
-
Step 900
900
#2B4A30
oklch(37.7% 0.058 148.3)
-
Step 950
950
#1A2B1C
oklch(26.9% 0.036 147.4)
#669B6D 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) | #9C926A | 0.072 |
| Deuteranopia (no green cones) | #948D70 | 0.071 |
| Tritanopia (no blue cones) | #5F998F | 0.051 |
| Achromatopsia (no color) | #8F8F8F | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #669B6D
#669B6D
oklch(64% 0.089 147.7)
- #A979A8
#A979A8
oklch(64% 0.088 327.2)
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 #669B6D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Moss #769958 ΔE 0.028
- Green Grey #77926F ΔE 0.033
- Drab Green #749551 ΔE 0.034
- Greeny Grey #7EA07A ΔE 0.038
- Ocean Green #3D9973 ΔE 0.038
- Grey Teal #5E9B8A ΔE 0.041
- Slate Green #658D6D ΔE 0.042
- Dull Green #74A662 ΔE 0.043
Use #669B6D 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.