#688B1D
Closest named color: Mossy Green (#638B27). oklch(58.9% 0.139 126.3), rgb(104, 139, 29).
Aa
Black text reads best on this color (5.29:1).
About this color
#688B1D is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.139 and its hue 126°. 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 5.29:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Mossy Green (#638B27) |
| Black text | 5.29:1 |
| White text | 3.96:1 |
Values
| HEX | #688B1D |
| RGB | rgb(104, 139, 29) |
| HSL | hsl(79, 65%, 33%) |
| OKLCH | oklch(58.9% 0.139 126.3) |
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 #688B1D | 3.96:1 | AA large text | Lc -72.3 | Content text, not long reading |
| Black text on #688B1D | 5.29:1 | AA | Lc 37.3 | Non-text elements, placeholder text |
| #688B1D text on white | 3.96:1 | AA large text | Lc 66.8 | Content text, not long reading |
| #688B1D 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
#F4F7F1
oklch(97.2% 0.009 128.6)
-
Step 100
100
#E7ECDF
oklch(93.6% 0.018 124)
-
Step 200
200
#D3DEC5
oklch(88.5% 0.036 126.6)
-
Step 300
300
#B6C89D
oklch(80.8% 0.062 126.2)
-
Step 400
400
#91AC66
oklch(70.7% 0.1 126)
-
Step 500
500
#769739
oklch(63.1% 0.128 126.2)
-
Step 600
600 (this color)
#688B1D
oklch(58.9% 0.139 126.3)
-
Step 700
700
#4E6C00
oklch(48.9% 0.125 126.3)
-
Step 800
800
#405904
oklch(42.8% 0.107 126.4)
-
Step 900
900
#364911
oklch(37.7% 0.083 126.4)
-
Step 950
950
#202B0C
oklch(27% 0.053 126.1)
#688B1D 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) | #938100 | 0.064 |
| Deuteranopia (no green cones) | #8E7F28 | 0.065 |
| Tritanopia (no blue cones) | #6D8477 | 0.113 |
| Achromatopsia (no color) | #808080 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #688B1D
#688B1D
oklch(58.9% 0.139 126.3)
- #9264BD
#9264BD
oklch(58.9% 0.139 306.5)
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 #688B1D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mossy Green #638B27 ΔE 0.008
- Olive Drab #6B8E23 ΔE 0.010
- Sap Green #5C8B15 ΔE 0.016
- Moss Green #658B38 ΔE 0.020
- Dark Yellow Green #728F02 ΔE 0.021
- Swamp Green #748500 ΔE 0.021
- Fern Green #548D44 ΔE 0.034
- Khaki Green #728639 ΔE 0.034
Use #688B1D 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.