#618F61
Closest named color: Slate Green (#658D6D). oklch(60.4% 0.085 144.4), rgb(97, 143, 97).
Aa
Black text reads best on this color (5.60:1).
About this color
#618F61 is a medium-dark, moderately saturated green. In OKLCH its lightness is 60%, its chroma 0.085 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.021 away. Black text reads best on it, at 5.60:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.085) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.60:1 |
| White text | 3.74:1 |
Values
| HEX | #618F61 |
| RGB | rgb(97, 143, 97) |
| HSL | hsl(120, 19%, 47%) |
| OKLCH | oklch(60.4% 0.085 144.4) |
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 #618F61 | 3.74:1 | AA large text | Lc -70.4 | Content text, not long reading |
| Black text on #618F61 | 5.60:1 | AA | Lc 39.2 | Non-text elements, placeholder text |
| #618F61 text on white | 3.74:1 | AA large text | Lc 64.9 | Content text, not long reading |
| #618F61 text on black | 5.60:1 | AA | Lc -36.7 | 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
#F3F6F3
oklch(97% 0.005 145.5)
-
Step 100
100
#E5ECE5
oklch(93.6% 0.012 145.5)
-
Step 200
200
#D0DDD0
oklch(88.4% 0.022 145.4)
-
Step 300
300
#B1C8B0
oklch(80.9% 0.042 144.1)
-
Step 400
400
#87AC87
oklch(70.7% 0.067 144.8)
-
Step 500
500 (this color)
#618F61
oklch(60.4% 0.085 144.4)
-
Step 600
600
#508150
oklch(55.5% 0.092 144.2)
-
Step 700
700
#406D41
oklch(49% 0.085 144.6)
-
Step 800
800
#355936
oklch(42.7% 0.071 144.8)
-
Step 900
900
#2F492F
oklch(37.6% 0.054 144.4)
-
Step 950
950
#1C2B1C
oklch(27% 0.034 144.6)
#618F61 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) | #91875E | 0.066 |
| Deuteranopia (no green cones) | #8A8264 | 0.066 |
| Tritanopia (no blue cones) | #5C8C83 | 0.053 |
| Achromatopsia (no color) | #848484 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #618F61
#618F61
oklch(60.4% 0.085 144.4)
- #9B709E
#9B709E
oklch(60.5% 0.084 324.4)
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 #618F61, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.021
- Light Forest Green #4F9153 ΔE 0.031
- Dark Sage #598556 ΔE 0.032
- Green Grey #77926F ΔE 0.036
- Drab Green #749551 ΔE 0.038
- Ocean Green #3D9973 ΔE 0.039
- Camo #7F8F4E ΔE 0.041
- Fern Green #548D44 ΔE 0.041
Use #618F61 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.