#678F40
Closest named color: Moss Green (#658B38). oklch(60.2% 0.117 131.4), rgb(103, 143, 64).
Aa
Black text reads best on this color (5.57:1).
About this color
#678F40 is a medium-dark, moderately saturated green. In OKLCH its lightness is 60%, its chroma 0.117 and its hue 131°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Moss Green (#658B38), ΔE 0.013 away. Black text reads best on it, at 5.57:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Moss Green (#658B38) |
| Black text | 5.57:1 |
| White text | 3.76:1 |
Values
| HEX | #678F40 |
| RGB | rgb(103, 143, 64) |
| HSL | hsl(90, 38%, 41%) |
| OKLCH | oklch(60.2% 0.117 131.4) |
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 #678F40 | 3.76:1 | AA large text | Lc -70.6 | Content text, not long reading |
| Black text on #678F40 | 5.57:1 | AA | Lc 39.0 | Non-text elements, placeholder text |
| #678F40 text on white | 3.76:1 | AA large text | Lc 65.1 | Content text, not long reading |
| #678F40 text on black | 5.57:1 | AA | Lc -36.6 | 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 500.
-
Step 50
50
#F4F7F1
oklch(97.2% 0.009 128.6)
-
Step 100
100
#E6ECE1
oklch(93.5% 0.016 130.4)
-
Step 200
200
#D2DEC8
oklch(88.5% 0.032 130.6)
-
Step 300
300
#B3C9A3
oklch(80.9% 0.057 132.2)
-
Step 400
400
#8CAD70
oklch(70.8% 0.092 131.5)
-
Step 500
500 (this color)
#678F40
oklch(60.2% 0.117 131.4)
-
Step 600
600
#578229
oklch(55.6% 0.128 131.5)
-
Step 700
700
#476E1B
oklch(49.1% 0.119 131.6)
-
Step 800
800
#3B5919
oklch(42.6% 0.098 131.1)
-
Step 900
900
#324A1B
oklch(37.7% 0.078 131.8)
-
Step 950
950
#1E2B11
oklch(27% 0.048 130.8)
#678F40 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) | #958638 | 0.066 |
| Deuteranopia (no green cones) | #8F8345 | 0.065 |
| Tritanopia (no blue cones) | #698A7D | 0.088 |
| Achromatopsia (no color) | #848484 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #678F40
#678F40
oklch(60.2% 0.117 131.4)
- #986BB4
#986BB4
oklch(60.2% 0.118 311.6)
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 #678F40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Moss Green #658B38 ΔE 0.013
- Fern Green #548D44 ΔE 0.023
- Olive Drab #6B8E23 ΔE 0.023
- Mossy Green #638B27 ΔE 0.024
- Khaki Green #728639 ΔE 0.027
- Light Forest Green #4F9153 ΔE 0.029
- Drab Green #749551 ΔE 0.030
- Swamp #698339 ΔE 0.034
Use #678F40 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.