#669E44
Closest named color: Flat Green (#699D4C). oklch(64% 0.136 135.2), rgb(102, 158, 68).
Aa
Black text reads best on this color (6.53:1).
About this color
#669E44 is a medium-light, moderately saturated green. In OKLCH its lightness is 64%, its chroma 0.136 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 0.011 away. Black text reads best on it, at 6.53:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.136) |
| Temperature | in between |
| Nearest name | Flat Green (#699D4C) |
| Black text | 6.53:1 |
| White text | 3.21:1 |
Values
| HEX | #669E44 |
| RGB | rgb(102, 158, 68) |
| HSL | hsl(97, 40%, 44%) |
| OKLCH | oklch(64% 0.136 135.2) |
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 #669E44 | 3.21:1 | AA large text | Lc -64.6 | Content text, not long reading |
| Black text on #669E44 | 6.53:1 | AA | Lc 44.9 | Non-text elements, placeholder text |
| #669E44 text on white | 3.21:1 | AA large text | Lc 59.2 | Large or bold text, headings |
| #669E44 text on black | 6.53:1 | 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
#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)
#669E44
oklch(64% 0.136 135.2)
-
Step 600
600
#49851D
oklch(55.5% 0.147 135.3)
-
Step 700
700
#3A710D
oklch(49.2% 0.138 135.3)
-
Step 800
800
#315C10
oklch(42.7% 0.114 135)
-
Step 900
900
#2B4C16
oklch(37.8% 0.09 135.3)
-
Step 950
950
#1A2C0F
oklch(26.9% 0.055 135)
#669E44 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) | #A3933B | 0.083 |
| Deuteranopia (no green cones) | #9B8E4A | 0.083 |
| Tritanopia (no blue cones) | #65998A | 0.097 |
| Achromatopsia (no color) | #909090 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #669E44
#669E44
oklch(64% 0.136 135.2)
- #AB70C4
#AB70C4
oklch(63.9% 0.137 315.3)
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 #669E44, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Flat Green #699D4C ΔE 0.011
- Muted Green #5FA052 ΔE 0.014
- Off Green #6BA353 ΔE 0.021
- Fern #63A950 ΔE 0.030
- Mid Green #50A747 ΔE 0.030
- Moss #769958 ΔE 0.037
- Drab Green #749551 ΔE 0.038
- Dull Green #74A662 ΔE 0.042
Use #669E44 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.