#669F44
Closest named color: Flat Green (#699D4C). oklch(64.2% 0.137 135.3), rgb(102, 159, 68).
Aa
Black text reads best on this color (6.60:1).
About this color
#669F44 is a medium-light, moderately saturated green. In OKLCH its lightness is 64%, its chroma 0.137 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Flat Green (#699D4C), ΔE 0.012 away. Black text reads best on it, at 6.60:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.137) |
| Temperature | in between |
| Nearest name | Flat Green (#699D4C) |
| Black text | 6.60:1 |
| White text | 3.17:1 |
Values
| HEX | #669F44 |
| RGB | rgb(102, 159, 68) |
| HSL | hsl(98, 40%, 45%) |
| OKLCH | oklch(64.2% 0.137 135.3) |
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 #669F44 | 3.17:1 | AA large text | Lc -64.2 | Content text, not long reading |
| Black text on #669F44 | 6.60:1 | AA | Lc 45.3 | Large or bold text, headings |
| #669F44 text on white | 3.17:1 | AA large text | Lc 58.8 | Large or bold text, headings |
| #669F44 text on black | 6.60:1 | AA | Lc -43.0 | 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
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E4EDE0
oklch(93.6% 0.02 135.8)
-
Step 200
200
#CFDFC7
oklch(88.5% 0.037 135)
-
Step 300
300
#AECBA0
oklch(80.9% 0.067 135.5)
-
Step 400
400
#83B06B
oklch(70.8% 0.107 135.3)
-
Step 500
500 (this color)
#669F44
oklch(64.2% 0.137 135.3)
-
Step 600
600
#49861B
oklch(55.8% 0.15 135.2)
-
Step 700
700
#3A710B
oklch(49.1% 0.139 135.2)
-
Step 800
800
#305C0F
oklch(42.7% 0.115 135.3)
-
Step 900
900
#2B4C16
oklch(37.8% 0.09 135.3)
-
Step 950
950
#192C0E
oklch(26.8% 0.057 135.5)
#669F44 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) | #A4933B | 0.085 |
| Deuteranopia (no green cones) | #9C8F4A | 0.084 |
| Tritanopia (no blue cones) | #65998B | 0.100 |
| Achromatopsia (no color) | #909090 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #669F44
#669F44
oklch(64.2% 0.137 135.3)
- #AC71C5
#AC71C5
oklch(64.2% 0.136 315.3)
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 #669F44, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Flat Green #699D4C ΔE 0.012
- Muted Green #5FA052 ΔE 0.014
- Off Green #6BA353 ΔE 0.019
- Fern #63A950 ΔE 0.028
- Mid Green #50A747 ΔE 0.028
- Moss #769958 ΔE 0.039
- Drab Green #749551 ΔE 0.040
- Leaf #71AA34 ΔE 0.040
Use #669F44 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.