#618D31
Closest named color: Mossy Green (#638B27). oklch(59.2% 0.131 131.2), rgb(97, 141, 49).
Aa
Black text reads best on this color (5.36:1).
About this color
#618D31 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.131 and its hue 131°. 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 5.36:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.131) |
| Temperature | in between |
| Nearest name | Mossy Green (#638B27) |
| Black text | 5.36:1 |
| White text | 3.91:1 |
Values
| HEX | #618D31 |
| RGB | rgb(97, 141, 49) |
| HSL | hsl(89, 48%, 37%) |
| OKLCH | oklch(59.2% 0.131 131.2) |
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 #618D31 | 3.91:1 | AA large text | Lc -71.9 | Content text, not long reading |
| Black text on #618D31 | 5.36:1 | AA | Lc 37.7 | Non-text elements, placeholder text |
| #618D31 text on white | 3.91:1 | AA large text | Lc 66.4 | Content text, not long reading |
| #618D31 text on black | 5.36:1 | AA | Lc -35.2 | 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
#D2DEC8
oklch(88.5% 0.032 130.6)
-
Step 300
300
#B3C9A1
oklch(80.9% 0.06 131.2)
-
Step 400
400
#8CAD6E
oklch(70.7% 0.094 131)
-
Step 500
500
#6F9846
oklch(63.1% 0.12 131.1)
-
Step 600
600 (this color)
#618D31
oklch(59.2% 0.131 131.2)
-
Step 700
700
#476E17
oklch(49.1% 0.122 131.2)
-
Step 800
800
#3A5A16
oklch(42.8% 0.102 131.5)
-
Step 900
900
#324A1A
oklch(37.7% 0.079 131.5)
-
Step 950
950
#1E2B10
oklch(26.9% 0.049 130.3)
#618D31 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) | #938326 | 0.071 |
| Deuteranopia (no green cones) | #8D8038 | 0.072 |
| Tritanopia (no blue cones) | #63877A | 0.100 |
| Achromatopsia (no color) | #818181 | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #618D31
#618D31
oklch(59.2% 0.131 131.2)
- #9765B6
#9765B6
oklch(59.2% 0.13 311.4)
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 #618D31, 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 0.015
- Sap Green #5C8B15 ΔE 0.020
- Fern Green #548D44 ΔE 0.021
- Dark Yellow Green #728F02 ΔE 0.030
- Swamp Green #748500 ΔE 0.032
- Khaki Green #728639 ΔE 0.032
Use #618D31 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.