#688B39
Closest named color: Moss Green (#658B38). oklch(59.2% 0.118 128.8), rgb(104, 139, 57).
Aa
Black text reads best on this color (5.34:1).
About this color
#688B39 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.118 and its hue 129°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Moss Green (#658B38), ΔE 0.004 away. Black text reads best on it, at 5.34:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Moss Green (#658B38) |
| Black text | 5.34:1 |
| White text | 3.93:1 |
Values
| HEX | #688B39 |
| RGB | rgb(104, 139, 57) |
| HSL | hsl(86, 42%, 38%) |
| OKLCH | oklch(59.2% 0.118 128.8) |
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 #688B39 | 3.93:1 | AA large text | Lc -72.1 | Content text, not long reading |
| Black text on #688B39 | 5.34:1 | AA | Lc 37.5 | Non-text elements, placeholder text |
| #688B39 text on white | 3.93:1 | AA large text | Lc 66.6 | Content text, not long reading |
| #688B39 text on black | 5.34:1 | AA | Lc -35.0 | 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 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
#D3DDC9
oklch(88.4% 0.029 128.8)
-
Step 300
300
#B6C8A4
oklch(80.9% 0.053 129.2)
-
Step 400
400
#90AB72
oklch(70.6% 0.085 129)
-
Step 500
500
#75964C
oklch(63.1% 0.108 128.9)
-
Step 600
600 (this color)
#688B39
oklch(59.2% 0.118 128.8)
-
Step 700
700
#4D6C20
oklch(49.1% 0.109 128.9)
-
Step 800
800
#3F581D
oklch(42.6% 0.09 129.1)
-
Step 900
900
#36491D
oklch(37.8% 0.072 128.8)
-
Step 950
950
#202B12
oklch(27.1% 0.045 128.6)
#688B39 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) | #918230 | 0.060 |
| Deuteranopia (no green cones) | #8C803F | 0.061 |
| Tritanopia (no blue cones) | #6B8579 | 0.092 |
| Achromatopsia (no color) | #808080 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #688B39
#688B39
oklch(59.2% 0.118 128.8)
- #9269B3
#9269B3
oklch(59.2% 0.118 308.7)
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 #688B39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Moss Green #658B38 ΔE 0.004
- Mossy Green #638B27 ΔE 0.018
- Khaki Green #728639 ΔE 0.019
- Olive Drab #6B8E23 ΔE 0.022
- Fern Green #548D44 ΔE 0.022
- Swamp #698339 ΔE 0.024
- Swamp Green #748500 ΔE 0.031
- Sap Green #5C8B15 ΔE 0.033
Use #688B39 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.