#669C6F
Closest named color: Moss (#769958). oklch(64.3% 0.088 148.7), rgb(102, 156, 111).
Aa
Black text reads best on this color (6.54:1).
About this color
#669C6F is a medium-light, moderately saturated green. In OKLCH its lightness is 64%, its chroma 0.088 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 6.54:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.088) |
| Temperature | in between |
| Nearest name | Moss (#769958) |
| Black text | 6.54:1 |
| White text | 3.20:1 |
Values
| HEX | #669C6F |
| RGB | rgb(102, 156, 111) |
| HSL | hsl(130, 21%, 51%) |
| OKLCH | oklch(64.3% 0.088 148.7) |
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 #669C6F | 3.20:1 | AA large text | Lc -64.6 | Content text, not long reading |
| Black text on #669C6F | 6.54:1 | AA | Lc 44.9 | Non-text elements, placeholder text |
| #669C6F text on white | 3.20:1 | AA large text | Lc 59.2 | Large or bold text, headings |
| #669C6F 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
#F3F7F3
oklch(97.2% 0.007 145.5)
-
Step 100
100
#E4ECE5
oklch(93.5% 0.013 149.2)
-
Step 200
200
#CFDED1
oklch(88.6% 0.024 149.3)
-
Step 300
300
#AEC9B2
oklch(80.9% 0.043 149.5)
-
Step 400
400
#83AD89
oklch(70.7% 0.069 148.7)
-
Step 500
500 (this color)
#669C6F
oklch(64.3% 0.088 148.7)
-
Step 600
600
#488353
oklch(55.7% 0.097 148.6)
-
Step 700
700
#396F44
oklch(49.2% 0.09 148.9)
-
Step 800
800
#305A38
oklch(42.7% 0.073 148.7)
-
Step 900
900
#2B4A30
oklch(37.7% 0.058 148.3)
-
Step 950
950
#192B1C
oklch(26.8% 0.037 148.7)
#669C6F 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) | #9D936C | 0.073 |
| Deuteranopia (no green cones) | #958D72 | 0.073 |
| Tritanopia (no blue cones) | #5E9A90 | 0.050 |
| Achromatopsia (no color) | #909090 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #669C6F
#669C6F
oklch(64.3% 0.088 148.7)
- #AB79A8
#AB79A8
oklch(64.2% 0.09 328.6)
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 #669C6F, 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 0.034
- Greeny Grey #7EA07A ΔE 0.036
- Drab Green #749551 ΔE 0.036
- Ocean Green #3D9973 ΔE 0.039
- Grey Teal #5E9B8A ΔE 0.040
- Dull Green #74A662 ΔE 0.042
- Tea #65AB7C ΔE 0.042
Use #669C6F 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.