#669D6F
Closest named color: Moss (#769958). oklch(64.5% 0.09 148.6), rgb(102, 157, 111).
Aa
Black text reads best on this color (6.61:1).
About this color
#669D6F is a medium-light, moderately saturated green. In OKLCH its lightness is 64%, its chroma 0.090 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 6.61:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Moss (#769958) |
| Black text | 6.61:1 |
| White text | 3.17:1 |
Values
| HEX | #669D6F |
| RGB | rgb(102, 157, 111) |
| HSL | hsl(130, 22%, 51%) |
| OKLCH | oklch(64.5% 0.09 148.6) |
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 #669D6F | 3.17:1 | AA large text | Lc -64.2 | Content text, not long reading |
| Black text on #669D6F | 6.61:1 | AA | Lc 45.3 | Large or bold text, headings |
| #669D6F text on white | 3.17:1 | AA large text | Lc 58.8 | Large or bold text, headings |
| #669D6F text on black | 6.61:1 | AA | Lc -42.9 | 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
#CFDED0
oklch(88.5% 0.025 147.3)
-
Step 300
300
#AEC9B1
oklch(80.9% 0.044 148.3)
-
Step 400
400
#82AD88
oklch(70.6% 0.071 148.5)
-
Step 500
500 (this color)
#669D6F
oklch(64.5% 0.09 148.6)
-
Step 600
600
#478352
oklch(55.6% 0.098 148.4)
-
Step 700
700
#386F43
oklch(49.2% 0.091 148.7)
-
Step 800
800
#2F5A37
oklch(42.6% 0.075 148.5)
-
Step 900
900
#2A4A30
oklch(37.6% 0.058 149)
-
Step 950
950
#192C1C
oklch(27.1% 0.039 148.4)
#669D6F 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) | #9E946C | 0.074 |
| Deuteranopia (no green cones) | #958E72 | 0.073 |
| Tritanopia (no blue cones) | #5E9B91 | 0.051 |
| Achromatopsia (no color) | #909090 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #669D6F
#669D6F
oklch(64.5% 0.09 148.6)
- #AC7AA9
#AC7AA9
oklch(64.5% 0.089 328.6)
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 #669D6F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Moss #769958 ΔE 0.030
- Greeny Grey #7EA07A ΔE 0.035
- Green Grey #77926F ΔE 0.036
- Drab Green #749551 ΔE 0.037
- Dull Green #74A662 ΔE 0.039
- Tea #65AB7C ΔE 0.039
- Ocean Green #3D9973 ΔE 0.040
- Dusty Green #76A973 ΔE 0.041
Use #669D6F 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.