#718B7B
Closest named color: Slate Green (#658D6D). oklch(61.2% 0.038 158), rgb(113, 139, 123).
Aa
Black text reads best on this color (5.68:1).
About this color
#718B7B is a medium-dark, muted green. In OKLCH its lightness is 61%, its chroma 0.038 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.029 away. Black text reads best on it, at 5.68:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.038) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.68:1 |
| White text | 3.69:1 |
Values
| HEX | #718B7B |
| RGB | rgb(113, 139, 123) |
| HSL | hsl(143, 10%, 49%) |
| OKLCH | oklch(61.2% 0.038 158) |
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 #718B7B | 3.69:1 | AA large text | Lc -70.0 | Content text, not long reading |
| Black text on #718B7B | 5.68:1 | AA | Lc 39.5 | Non-text elements, placeholder text |
| #718B7B text on white | 3.69:1 | AA large text | Lc 64.5 | Content text, not long reading |
| #718B7B text on black | 5.68:1 | AA | Lc -37.1 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E7EBE8
oklch(93.6% 0.006 153.8)
-
Step 200
200
#D4DBD6
oklch(88.5% 0.01 155.1)
-
Step 300
300
#B7C4BC
oklch(80.8% 0.018 159)
-
Step 400
400
#92A79A
oklch(70.8% 0.03 158.4)
-
Step 500
500 (this color)
#718B7B
oklch(61.2% 0.038 158)
-
Step 600
600
#5F7B6A
oklch(55.6% 0.042 158.1)
-
Step 700
700
#4E6858
oklch(49.1% 0.04 157.6)
-
Step 800
800
#405548
oklch(42.8% 0.034 157.5)
-
Step 900
900
#37463D
oklch(37.8% 0.025 158.6)
-
Step 950
950
#202923
oklch(27% 0.017 155.9)
#718B7B 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) | #8B877A | 0.037 |
| Deuteranopia (no green cones) | #86847C | 0.034 |
| Tritanopia (no blue cones) | #6D8B86 | 0.017 |
| Achromatopsia (no color) | #858585 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #718B7B
#718B7B
oklch(61.2% 0.038 158)
- #947B8C
#947B8C
oklch(61.2% 0.039 337.9)
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 #718B7B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.029
- Green Grey #77926F ΔE 0.032
- Medium Grey #7D7F7C ΔE 0.038
- Gray #808080 ΔE 0.040
- Dusty Teal #4C9085 ΔE 0.040
- Steel Grey #6F828A ΔE 0.041
- Brown Grey #8D8468 ΔE 0.043
- Grey Teal #5E9B8A ΔE 0.046
Use #718B7B 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.