#678A37
Closest named color: Moss Green (#658B38). oklch(58.9% 0.119 128.7), rgb(103, 138, 55).
Aa
Black text reads best on this color (5.26:1).
About this color
#678A37 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.119 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 0.003 away. Black text reads best on it, at 5.26:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.119) |
| Temperature | in between |
| Nearest name | Moss Green (#658B38) |
| Black text | 5.26:1 |
| White text | 3.98:1 |
Values
| HEX | #678A37 |
| RGB | rgb(103, 138, 55) |
| HSL | hsl(85, 43%, 38%) |
| OKLCH | oklch(58.9% 0.119 128.7) |
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 #678A37 | 3.98:1 | AA large text | Lc -72.6 | Content text, not long reading |
| Black text on #678A37 | 5.26:1 | AA | Lc 37.0 | Non-text elements, placeholder text |
| #678A37 text on white | 3.98:1 | AA large text | Lc 67.1 | Content text, not long reading |
| #678A37 text on black | 5.26:1 | AA | Lc -34.6 | 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
#B6C8A3
oklch(80.9% 0.054 128.7)
-
Step 400
400
#90AB72
oklch(70.6% 0.085 129)
-
Step 500
500
#75964B
oklch(63.1% 0.109 128.7)
-
Step 600
600 (this color)
#678A37
oklch(58.9% 0.119 128.7)
-
Step 700
700
#4D6C1F
oklch(49% 0.11 128.8)
-
Step 800
800
#3F581C
oklch(42.6% 0.091 128.9)
-
Step 900
900
#36491D
oklch(37.8% 0.072 128.8)
-
Step 950
950
#202B12
oklch(27.1% 0.045 128.6)
#678A37 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) | #90812E | 0.060 |
| Deuteranopia (no green cones) | #8B7F3D | 0.061 |
| Tritanopia (no blue cones) | #6A8478 | 0.093 |
| Achromatopsia (no color) | #7F7F7F | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #678A37
#678A37
oklch(58.9% 0.119 128.7)
- #9168B2
#9168B2
oklch(58.9% 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 #678A37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Moss Green #658B38 ΔE 0.003
- Mossy Green #638B27 ΔE 0.016
- Khaki Green #728639 ΔE 0.019
- Swamp #698339 ΔE 0.021
- Fern Green #548D44 ΔE 0.022
- Olive Drab #6B8E23 ΔE 0.022
- Swamp Green #748500 ΔE 0.030
- Sap Green #5C8B15 ΔE 0.031
Use #678A37 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.