#618B59
Closest named color: Dark Sage (#598556). oklch(59.3% 0.087 140.5), rgb(97, 139, 89).
Aa
Black text reads best on this color (5.34:1).
About this color
#618B59 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.087 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.021 away. Black text reads best on it, at 5.34:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.087) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 5.34:1 |
| White text | 3.92:1 |
Values
| HEX | #618B59 |
| RGB | rgb(97, 139, 89) |
| HSL | hsl(110, 22%, 45%) |
| OKLCH | oklch(59.3% 0.087 140.5) |
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 #618B59 | 3.92:1 | AA large text | Lc -72.1 | Content text, not long reading |
| Black text on #618B59 | 5.34:1 | AA | Lc 37.5 | Non-text elements, placeholder text |
| #618B59 text on white | 3.92:1 | AA large text | Lc 66.6 | Content text, not long reading |
| #618B59 text on black | 5.34:1 | AA | Lc -35.0 | 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
#F4F6F3
oklch(97.1% 0.004 134.8)
-
Step 100
100
#E6ECE5
oklch(93.7% 0.011 141.3)
-
Step 200
200
#D2DDCF
oklch(88.5% 0.022 139)
-
Step 300
300
#B3C7B0
oklch(80.8% 0.039 141.5)
-
Step 400
400
#8CAB86
oklch(70.8% 0.063 140.5)
-
Step 500
500
#6F9667
oklch(63.2% 0.081 140.3)
-
Step 600
600 (this color)
#618B59
oklch(59.3% 0.087 140.5)
-
Step 700
700
#466C3F
oklch(49% 0.082 140.6)
-
Step 800
800
#3A5834
oklch(42.6% 0.068 140.3)
-
Step 900
900
#32492E
oklch(37.8% 0.053 140.8)
-
Step 950
950
#1E2B1B
oklch(27.2% 0.034 139.8)
#618B59 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) | #8E8356 | 0.063 |
| Deuteranopia (no green cones) | #877F5C | 0.062 |
| Tritanopia (no blue cones) | #5E887E | 0.057 |
| Achromatopsia (no color) | #808080 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #618B59
#618B59
oklch(59.3% 0.087 140.5)
- #966D9E
#966D9E
oklch(59.4% 0.087 320.9)
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 #618B59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.021
- Slate Green #658D6D ΔE 0.028
- Light Forest Green #4F9153 ΔE 0.029
- Fern Green #548D44 ΔE 0.034
- Swamp #698339 ΔE 0.037
- Khaki Green #728639 ΔE 0.037
- Moss Green #658B38 ΔE 0.038
- Drab Green #749551 ΔE 0.042
Use #618B59 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.