#618571
Closest named color: Slate Green (#658D6D). oklch(58.4% 0.051 160), rgb(97, 133, 113).
Aa
Black text reads best on this color (5.10:1).
About this color
#618571 is a medium-dark, muted green. In OKLCH its lightness is 58%, its chroma 0.051 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.028 away. Black text reads best on it, at 5.10:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.051) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.10:1 |
| White text | 4.11:1 |
Values
| HEX | #618571 |
| RGB | rgb(97, 133, 113) |
| HSL | hsl(147, 16%, 45%) |
| OKLCH | oklch(58.4% 0.051 160) |
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 #618571 | 4.11:1 | AA large text | Lc -73.8 | Content text, not long reading |
| Black text on #618571 | 5.10:1 | AA | Lc 35.8 | Non-text elements, placeholder text |
| #618571 text on white | 4.11:1 | AA large text | Lc 68.3 | Content text, not long reading |
| #618571 text on black | 5.10:1 | AA | Lc -33.4 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E6EBE8
oklch(93.5% 0.007 160.1)
-
Step 200
200
#D2DCD6
oklch(88.5% 0.013 159.9)
-
Step 300
300
#B5C5BB
oklch(80.8% 0.022 158.5)
-
Step 400
400
#8EA899
oklch(70.7% 0.036 160)
-
Step 500
500
#719380
oklch(63.2% 0.047 160.2)
-
Step 600
600 (this color)
#618571
oklch(58.4% 0.051 160)
-
Step 700
700
#496957
oklch(49% 0.047 159.4)
-
Step 800
800
#3C5648
oklch(42.8% 0.039 160.6)
-
Step 900
900
#34473C
oklch(37.8% 0.03 159.1)
-
Step 950
950
#1E2923
oklch(26.8% 0.019 161)
#618571 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) | #848070 | 0.048 |
| Deuteranopia (no green cones) | #7E7B72 | 0.048 |
| Tritanopia (no blue cones) | #5A857F | 0.022 |
| Achromatopsia (no color) | #7D7D7D | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #618571
#618571
oklch(58.4% 0.051 160)
- #917085
#917085
oklch(58.4% 0.051 340.4)
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 #618571, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.028
- Dusty Teal #4C9085 ΔE 0.038
- Dark Sage #598556 ΔE 0.042
- Medium Grey #7D7F7C ΔE 0.047
- Steel Grey #6F828A ΔE 0.048
- Battleship Grey #6B7C85 ΔE 0.049
- Green Grey #77926F ΔE 0.051
- Gray #808080 ΔE 0.053
Use #618571 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.