#618B70
Closest named color: Slate Green (#658D6D). oklch(59.8% 0.062 155.8), rgb(97, 139, 112).
Aa
Black text reads best on this color (5.43:1).
About this color
#618B70 is a medium-dark, muted green. In OKLCH its lightness is 60%, its chroma 0.062 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.010 away. Black text reads best on it, at 5.43:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.062) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.43:1 |
| White text | 3.86:1 |
Values
| HEX | #618B70 |
| RGB | rgb(97, 139, 112) |
| HSL | hsl(141, 18%, 46%) |
| OKLCH | oklch(59.8% 0.062 155.8) |
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 #618B70 | 3.86:1 | AA large text | Lc -71.6 | Content text, not long reading |
| Black text on #618B70 | 5.43:1 | AA | Lc 38.0 | Non-text elements, placeholder text |
| #618B70 text on white | 3.86:1 | AA large text | Lc 66.1 | Content text, not long reading |
| #618B70 text on black | 5.43:1 | AA | Lc -35.6 | 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 500.
-
Step 50
50
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E5ECE7
oklch(93.6% 0.01 155.1)
-
Step 200
200
#D1DDD4
oklch(88.6% 0.018 153.5)
-
Step 300
300
#B2C7B8
oklch(80.9% 0.031 154.6)
-
Step 400
400
#89AA94
oklch(70.7% 0.048 155.8)
-
Step 500
500 (this color)
#618B70
oklch(59.8% 0.062 155.8)
-
Step 600
600
#527F63
oklch(55.5% 0.066 156.2)
-
Step 700
700
#426B52
oklch(49% 0.061 156.5)
-
Step 800
800
#375843
oklch(42.8% 0.052 155.6)
-
Step 900
900
#304838
oklch(37.7% 0.04 154.8)
-
Step 950
950
#1C2A21
oklch(26.9% 0.025 156.1)
#618B70 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) | #8B856F | 0.057 |
| Deuteranopia (no green cones) | #848071 | 0.055 |
| Tritanopia (no blue cones) | #5A8A83 | 0.030 |
| Achromatopsia (no color) | #828282 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #618B70
#618B70
oklch(59.8% 0.062 155.8)
- #98728E
#98728E
oklch(59.9% 0.062 336.1)
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 #618B70, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.010
- Dusty Teal #4C9085 ΔE 0.033
- Green Grey #77926F ΔE 0.036
- Dark Sage #598556 ΔE 0.039
- Ocean Green #3D9973 ΔE 0.049
- Grey Teal #5E9B8A ΔE 0.050
- Light Forest Green #4F9153 ΔE 0.055
- Sea #3C9992 ΔE 0.056
Use #618B70 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.