#658C78
Closest named color: Slate Green (#658D6D). oklch(60.5% 0.053 162), rgb(101, 140, 120).
Aa
Black text reads best on this color (5.57:1).
About this color
#658C78 is a medium-dark, muted green. In OKLCH its lightness is 61%, its chroma 0.053 and its hue 162°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.017 away. Black text reads best on it, at 5.57:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.053) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.57:1 |
| White text | 3.76:1 |
Values
| HEX | #658C78 |
| RGB | rgb(101, 140, 120) |
| HSL | hsl(149, 16%, 47%) |
| OKLCH | oklch(60.5% 0.053 162) |
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 #658C78 | 3.76:1 | AA large text | Lc -70.7 | Content text, not long reading |
| Black text on #658C78 | 5.57:1 | AA | Lc 38.9 | Non-text elements, placeholder text |
| #658C78 text on white | 3.76:1 | AA large text | Lc 65.2 | Content text, not long reading |
| #658C78 text on black | 5.57:1 | AA | Lc -36.5 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E6EBE8
oklch(93.5% 0.007 160.1)
-
Step 200
200
#D1DCD6
oklch(88.4% 0.014 162.4)
-
Step 300
300
#B3C6BB
oklch(80.9% 0.026 160.4)
-
Step 400
400
#8AA999
oklch(70.7% 0.041 162.7)
-
Step 500
500 (this color)
#658C78
oklch(60.5% 0.053 162)
-
Step 600
600
#547E69
oklch(55.6% 0.057 162.1)
-
Step 700
700
#446A57
oklch(49% 0.053 161.8)
-
Step 800
800
#385747
oklch(42.7% 0.046 161.2)
-
Step 900
900
#31473C
oklch(37.6% 0.033 162.5)
-
Step 950
950
#1D2A23
oklch(27% 0.022 160.9)
#658C78 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) | #8B8677 | 0.052 |
| Deuteranopia (no green cones) | #848279 | 0.049 |
| Tritanopia (no blue cones) | #5D8C86 | 0.022 |
| Achromatopsia (no color) | #838383 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #658C78
#658C78
oklch(60.5% 0.053 162)
- #99758B
#99758B
oklch(60.5% 0.054 341.6)
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 #658C78, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.017
- Dusty Teal #4C9085 ΔE 0.028
- Green Grey #77926F ΔE 0.034
- Grey Teal #5E9B8A ΔE 0.043
- Steel Grey #6F828A ΔE 0.049
- Medium Grey #7D7F7C ΔE 0.050
- Sea #3C9992 ΔE 0.051
- Dark Sage #598556 ΔE 0.052
Use #658C78 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.