#618558
Closest named color: Dark Sage (#598556). oklch(57.7% 0.078 139.5), rgb(97, 133, 88).
Aa
Black text reads best on this color (5.00:1).
About this color
#618558 is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.078 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.010 away. Black text reads best on it, at 5.00:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.078) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 5.00:1 |
| White text | 4.19:1 |
Values
| HEX | #618558 |
| RGB | rgb(97, 133, 88) |
| HSL | hsl(108, 20%, 43%) |
| OKLCH | oklch(57.7% 0.078 139.5) |
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 #618558 | 4.19:1 | AA large text | Lc -74.4 | Content text, not long reading |
| Black text on #618558 | 5.00:1 | AA | Lc 35.2 | Non-text elements, placeholder text |
| #618558 text on white | 4.19:1 | AA large text | Lc 68.9 | Content text, not long reading |
| #618558 text on black | 5.00:1 | AA | Lc -32.8 | 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
#D3DCD0
oklch(88.4% 0.019 137.8)
-
Step 300
300
#B5C7B1
oklch(81% 0.036 140)
-
Step 400
400
#8FAA88
oklch(70.8% 0.057 139.3)
-
Step 500
500
#73946A
oklch(63% 0.072 139)
-
Step 600
600 (this color)
#618558
oklch(57.7% 0.078 139.5)
-
Step 700
700
#4B6B42
oklch(49.2% 0.073 138.9)
-
Step 800
800
#3D5737
oklch(42.6% 0.06 139.8)
-
Step 900
900
#344830
oklch(37.7% 0.047 140.4)
-
Step 950
950
#1F2A1C
oklch(27% 0.03 139)
#618558 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) | #887E55 | 0.056 |
| Deuteranopia (no green cones) | #827A5A | 0.055 |
| Tritanopia (no blue cones) | #5F8279 | 0.052 |
| Achromatopsia (no color) | #7C7C7C | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #618558
#618558
oklch(57.7% 0.078 139.5)
- #8E6A97
#8E6A97
oklch(57.7% 0.079 319.5)
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 #618558, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.010
- Slate Green #658D6D ΔE 0.033
- Military Green #667C3E ΔE 0.034
- Swamp #698339 ΔE 0.035
- Khaki Green #728639 ΔE 0.040
- Light Forest Green #4F9153 ΔE 0.042
- Fern Green #548D44 ΔE 0.044
- Drab #828344 ΔE 0.046
Use #618558 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.