#668A2F
Closest named color: Moss Green (#658B38). oklch(58.7% 0.126 128.2), rgb(102, 138, 47).
Aa
Black text reads best on this color (5.24:1).
About this color
#668A2F is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.126 and its hue 128°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Moss Green (#658B38), ΔE 0.008 away. Black text reads best on it, at 5.24:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Moss Green (#658B38) |
| Black text | 5.24:1 |
| White text | 4.00:1 |
Values
| HEX | #668A2F |
| RGB | rgb(102, 138, 47) |
| HSL | hsl(84, 49%, 36%) |
| OKLCH | oklch(58.7% 0.126 128.2) |
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 #668A2F | 4.00:1 | AA large text | Lc -72.7 | Content text, not long reading |
| Black text on #668A2F | 5.24:1 | AA | Lc 36.8 | Non-text elements, placeholder text |
| #668A2F text on white | 4.00:1 | AA large text | Lc 67.2 | Content text, not long reading |
| #668A2F text on black | 5.24:1 | AA | Lc -34.4 | 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 600.
-
Step 50
50
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E7ECE1
oklch(93.6% 0.016 126.8)
-
Step 200
200
#D3DDC8
oklch(88.4% 0.03 127.9)
-
Step 300
300
#B6C8A1
oklch(80.9% 0.057 127.8)
-
Step 400
400
#90AC6E
oklch(70.8% 0.091 128.3)
-
Step 500
500
#759746
oklch(63.2% 0.116 128.2)
-
Step 600
600 (this color)
#668A2F
oklch(58.7% 0.126 128.2)
-
Step 700
700
#4D6D16
oklch(49.2% 0.118 128.2)
-
Step 800
800
#3F5916
oklch(42.8% 0.098 128.4)
-
Step 900
900
#364919
oklch(37.7% 0.076 127.8)
-
Step 950
950
#1F2B10
oklch(27% 0.048 129)
#668A2F 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) | #918123 | 0.063 |
| Deuteranopia (no green cones) | #8C7E36 | 0.065 |
| Tritanopia (no blue cones) | #698477 | 0.099 |
| Achromatopsia (no color) | #7F7F7F | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #668A2F
#668A2F
oklch(58.7% 0.126 128.2)
- #9166B5
#9166B5
oklch(58.7% 0.125 308.1)
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 #668A2F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Moss Green #658B38 ΔE 0.008
- Mossy Green #638B27 ΔE 0.009
- Olive Drab #6B8E23 ΔE 0.017
- Sap Green #5C8B15 ΔE 0.024
- Khaki Green #728639 ΔE 0.024
- Fern Green #548D44 ΔE 0.024
- Swamp Green #748500 ΔE 0.025
- Swamp #698339 ΔE 0.026
Use #668A2F 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.