#618D39
Closest named color: Moss Green (#658B38). oklch(59.2% 0.124 132.3), rgb(97, 141, 57).
Aa
Black text reads best on this color (5.37:1).
About this color
#618D39 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.124 and its hue 132°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Moss Green (#658B38), ΔE 0.007 away. Black text reads best on it, at 5.37:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.124) |
| Temperature | in between |
| Nearest name | Moss Green (#658B38) |
| Black text | 5.37:1 |
| White text | 3.90:1 |
Values
| HEX | #618D39 |
| RGB | rgb(97, 141, 57) |
| HSL | hsl(91, 42%, 39%) |
| OKLCH | oklch(59.2% 0.124 132.3) |
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 #618D39 | 3.90:1 | AA large text | Lc -71.9 | Content text, not long reading |
| Black text on #618D39 | 5.37:1 | AA | Lc 37.7 | Non-text elements, placeholder text |
| #618D39 text on white | 3.90:1 | AA large text | Lc 66.3 | Content text, not long reading |
| #618D39 text on black | 5.37:1 | AA | Lc -35.3 | 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
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E6ECE1
oklch(93.5% 0.016 130.4)
-
Step 200
200
#D2DEC9
oklch(88.6% 0.031 131.6)
-
Step 300
300
#B3C9A4
oklch(80.9% 0.056 132.7)
-
Step 400
400
#8CAD72
oklch(70.8% 0.09 132.1)
-
Step 500
500
#6F984C
oklch(63.2% 0.114 132.2)
-
Step 600
600 (this color)
#618D39
oklch(59.2% 0.124 132.3)
-
Step 700
700
#476E20
oklch(49.2% 0.116 132.2)
-
Step 800
800
#3A591C
oklch(42.5% 0.096 132.2)
-
Step 900
900
#324A1D
oklch(37.8% 0.076 132.4)
-
Step 950
950
#1E2B12
oklch(27% 0.047 131.4)
#618D39 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) | #938330 | 0.071 |
| Deuteranopia (no green cones) | #8C803F | 0.070 |
| Tritanopia (no blue cones) | #62887B | 0.093 |
| Achromatopsia (no color) | #818181 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #618D39
#618D39
oklch(59.2% 0.124 132.3)
- #9766B3
#9766B3
oklch(59.2% 0.125 312.3)
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 #618D39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Moss Green #658B38 ΔE 0.007
- Mossy Green #638B27 ΔE 0.014
- Fern Green #548D44 ΔE 0.016
- Olive Drab #6B8E23 ΔE 0.020
- Sap Green #5C8B15 ΔE 0.027
- Khaki Green #728639 ΔE 0.028
- Light Forest Green #4F9153 ΔE 0.029
- Swamp #698339 ΔE 0.030
Use #618D39 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.