#618A57
Closest named color: Dark Sage (#598556). oklch(59% 0.088 139.6), rgb(97, 138, 87).
Aa
Black text reads best on this color (5.28:1).
About this color
#618A57 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.088 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.019 away. Black text reads best on it, at 5.28:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.088) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 5.28:1 |
| White text | 3.97:1 |
Values
| HEX | #618A57 |
| RGB | rgb(97, 138, 87) |
| HSL | hsl(108, 23%, 44%) |
| OKLCH | oklch(59% 0.088 139.6) |
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 #618A57 | 3.97:1 | AA large text | Lc -72.5 | Content text, not long reading |
| Black text on #618A57 | 5.28:1 | AA | Lc 37.0 | Non-text elements, placeholder text |
| #618A57 text on white | 3.97:1 | AA large text | Lc 67.0 | Content text, not long reading |
| #618A57 text on black | 5.28:1 | AA | Lc -34.6 | 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 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
#B4C7AF
oklch(80.9% 0.039 139.2)
-
Step 400
400
#8CAB85
oklch(70.8% 0.064 139.9)
-
Step 500
500
#709666
oklch(63.2% 0.082 139.2)
-
Step 600
600 (this color)
#618A57
oklch(59% 0.088 139.6)
-
Step 700
700
#476C3E
oklch(49.1% 0.082 139.6)
-
Step 800
800
#3B5834
oklch(42.7% 0.067 139.6)
-
Step 900
900
#33482D
oklch(37.6% 0.052 138.9)
-
Step 950
950
#1E2A1B
oklch(26.9% 0.032 139.4)
#618A57 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) | #8D8253 | 0.062 |
| Deuteranopia (no green cones) | #877E5A | 0.062 |
| Tritanopia (no blue cones) | #5F877D | 0.058 |
| Achromatopsia (no color) | #808080 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #618A57
#618A57
oklch(59% 0.088 139.6)
- #946C9E
#946C9E
oklch(59% 0.087 319.5)
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 #618A57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.019
- Light Forest Green #4F9153 ΔE 0.029
- Slate Green #658D6D ΔE 0.030
- Fern Green #548D44 ΔE 0.033
- Swamp #698339 ΔE 0.034
- Khaki Green #728639 ΔE 0.035
- Moss Green #658B38 ΔE 0.036
- Military Green #667C3E ΔE 0.042
Use #618A57 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.