#688B2B
Closest named color: Mossy Green (#638B27). oklch(59% 0.129 127.3), rgb(104, 139, 43).
Aa
Black text reads best on this color (5.31:1).
About this color
#688B2B is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.129 and its hue 127°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mossy Green (#638B27), ΔE 0.008 away. Black text reads best on it, at 5.31:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Mossy Green (#638B27) |
| Black text | 5.31:1 |
| White text | 3.94:1 |
Values
| HEX | #688B2B |
| RGB | rgb(104, 139, 43) |
| HSL | hsl(82, 53%, 36%) |
| OKLCH | oklch(59% 0.129 127.3) |
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 #688B2B | 3.94:1 | AA large text | Lc -72.2 | Content text, not long reading |
| Black text on #688B2B | 5.31:1 | AA | Lc 37.3 | Non-text elements, placeholder text |
| #688B2B text on white | 3.94:1 | AA large text | Lc 66.7 | Content text, not long reading |
| #688B2B text on black | 5.31:1 | AA | Lc -34.9 | 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
#E7ECE0
oklch(93.6% 0.017 125.3)
-
Step 200
200
#D3DDC7
oklch(88.4% 0.031 127.1)
-
Step 300
300
#B6C8A0
oklch(80.9% 0.058 127.4)
-
Step 400
400
#91AC6B
oklch(70.8% 0.094 127)
-
Step 500
500
#759742
oklch(63.2% 0.12 127.6)
-
Step 600
600 (this color)
#688B2B
oklch(59% 0.129 127.3)
-
Step 700
700
#4E6C0F
oklch(49% 0.119 127)
-
Step 800
800
#405811
oklch(42.6% 0.099 126.9)
-
Step 900
900
#364917
oklch(37.7% 0.078 127.4)
-
Step 950
950
#202B0F
oklch(27.1% 0.049 127.2)
#688B2B 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) | #92811D | 0.062 |
| Deuteranopia (no green cones) | #8D7F33 | 0.064 |
| Tritanopia (no blue cones) | #6C8578 | 0.103 |
| Achromatopsia (no color) | #808080 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #688B2B
#688B2B
oklch(59% 0.129 127.3)
- #9266B9
#9266B9
oklch(59% 0.131 307.3)
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 #688B2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mossy Green #638B27 ΔE 0.008
- Moss Green #658B38 ΔE 0.011
- Olive Drab #6B8E23 ΔE 0.012
- Sap Green #5C8B15 ΔE 0.022
- Swamp Green #748500 ΔE 0.023
- Dark Yellow Green #728F02 ΔE 0.026
- Khaki Green #728639 ΔE 0.026
- Fern Green #548D44 ΔE 0.028
Use #688B2B 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.