#668B2F
Closest named color: Moss Green (#658B38). oklch(59% 0.127 128.5), rgb(102, 139, 47).
Aa
Black text reads best on this color (5.29:1).
About this color
#668B2F is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.127 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 5.29:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.127) |
| Temperature | in between |
| Nearest name | Moss Green (#658B38) |
| Black text | 5.29:1 |
| White text | 3.96:1 |
Values
| HEX | #668B2F |
| RGB | rgb(102, 139, 47) |
| HSL | hsl(84, 49%, 36%) |
| OKLCH | oklch(59% 0.127 128.5) |
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 #668B2F | 3.96:1 | AA large text | Lc -72.4 | Content text, not long reading |
| Black text on #668B2F | 5.29:1 | AA | Lc 37.2 | Non-text elements, placeholder text |
| #668B2F text on white | 3.96:1 | AA large text | Lc 66.9 | Content text, not long reading |
| #668B2F text on black | 5.29:1 | AA | Lc -34.8 | 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
#E6ECE1
oklch(93.5% 0.016 130.4)
-
Step 200
200
#D3DEC8
oklch(88.6% 0.032 128.9)
-
Step 300
300
#B6C8A1
oklch(80.9% 0.057 127.8)
-
Step 400
400
#8FAC6D
oklch(70.7% 0.093 128.7)
-
Step 500
500
#749745
oklch(63.1% 0.117 128.5)
-
Step 600
600 (this color)
#668B2F
oklch(59% 0.127 128.5)
-
Step 700
700
#4C6D15
oklch(49.2% 0.119 128.6)
-
Step 800
800
#3E5915
oklch(42.7% 0.099 128.9)
-
Step 900
900
#354919
oklch(37.7% 0.076 128.6)
-
Step 950
950
#1F2B10
oklch(27% 0.048 129)
#668B2F 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) | #928123 | 0.065 |
| Deuteranopia (no green cones) | #8D7F36 | 0.066 |
| Tritanopia (no blue cones) | #698578 | 0.100 |
| Achromatopsia (no color) | #808080 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #668B2F
#668B2F
oklch(59% 0.127 128.5)
- #9366B7
#9366B7
oklch(59% 0.128 308.5)
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 #668B2F, 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 0.008
- Olive Drab #6B8E23 ΔE 0.015
- Sap Green #5C8B15 ΔE 0.023
- Fern Green #548D44 ΔE 0.024
- Khaki Green #728639 ΔE 0.026
- Swamp Green #748500 ΔE 0.026
- Swamp #698339 ΔE 0.028
Use #668B2F 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.