#669A4E
Closest named color: Flat Green (#699D4C). oklch(63.1% 0.12 136.6), rgb(102, 154, 78).
Aa
Black text reads best on this color (6.29:1).
About this color
#669A4E is a medium-light, moderately saturated green. In OKLCH its lightness is 63%, its chroma 0.120 and its hue 137°. 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 6.29:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.120) |
| Temperature | in between |
| Nearest name | Flat Green (#699D4C) |
| Black text | 6.29:1 |
| White text | 3.33:1 |
Values
| HEX | #669A4E |
| RGB | rgb(102, 154, 78) |
| HSL | hsl(101, 33%, 45%) |
| OKLCH | oklch(63.1% 0.12 136.6) |
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 #669A4E | 3.33:1 | AA large text | Lc -66.1 | Content text, not long reading |
| Black text on #669A4E | 6.29:1 | AA | Lc 43.4 | Non-text elements, placeholder text |
| #669A4E text on white | 3.33:1 | AA large text | Lc 60.6 | Content text, not long reading |
| #669A4E text on black | 6.29:1 | AA | Lc -41.1 | 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
#F3F7F2
oklch(97.2% 0.008 139.4)
-
Step 100
100
#E5EDE2
oklch(93.7% 0.017 137)
-
Step 200
200
#CFDFC9
oklch(88.6% 0.034 137.1)
-
Step 300
300
#AFCAA5
oklch(80.9% 0.059 137.3)
-
Step 400
400
#85AE73
oklch(70.6% 0.094 136.5)
-
Step 500
500 (this color)
#669A4E
oklch(63.1% 0.12 136.6)
-
Step 600
600
#4C8430
oklch(55.6% 0.131 136.7)
-
Step 700
700
#3D7022
oklch(49.2% 0.122 136.6)
-
Step 800
800
#335B1E
oklch(42.7% 0.101 136.4)
-
Step 900
900
#2D4B1F
oklch(37.8% 0.078 136.7)
-
Step 950
950
#1B2C13
oklch(27.1% 0.049 136.4)
#669A4E 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) | #9F9048 | 0.078 |
| Deuteranopia (no green cones) | #978B53 | 0.078 |
| Tritanopia (no blue cones) | #649588 | 0.085 |
| Achromatopsia (no color) | #8D8D8D | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #669A4E
#669A4E
oklch(63.1% 0.12 136.6)
- #A671BA
#A671BA
oklch(63% 0.121 316.4)
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 #669A4E, 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 0.017
- Drab Green #749551 ΔE 0.023
- Moss #769958 ΔE 0.025
- Off Green #6BA353 ΔE 0.027
- Light Forest Green #4F9153 ΔE 0.039
- Camo #7F8F4E ΔE 0.043
- Olive Drab #6B8E23 ΔE 0.043
Use #669A4E 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.