#668777
Closest named color: Slate Green (#658D6D). oklch(59.3% 0.045 163.7), rgb(102, 135, 119).
Aa
Black text reads best on this color (5.29:1).
About this color
#668777 is a medium-dark, muted green. In OKLCH its lightness is 59%, its chroma 0.045 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.027 away. Black text reads best on it, at 5.29:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.045) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.29:1 |
| White text | 3.96:1 |
Values
| HEX | #668777 |
| RGB | rgb(102, 135, 119) |
| HSL | hsl(151, 14%, 46%) |
| OKLCH | oklch(59.3% 0.045 163.7) |
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 #668777 | 3.96:1 | AA large text | Lc -72.5 | Content text, not long reading |
| Black text on #668777 | 5.29:1 | AA | Lc 37.1 | Non-text elements, placeholder text |
| #668777 text on white | 3.96:1 | AA large text | Lc 67.0 | Content text, not long reading |
| #668777 text on black | 5.29:1 | AA | Lc -34.7 | 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
#E6EBE9
oklch(93.6% 0.006 170.4)
-
Step 200
200
#D3DBD7
oklch(88.4% 0.01 164.8)
-
Step 300
300
#B6C5BD
oklch(81% 0.02 162.8)
-
Step 400
400
#8FA79B
oklch(70.6% 0.032 163.9)
-
Step 500
500
#739283
oklch(63.2% 0.041 164.1)
-
Step 600
600 (this color)
#668777
oklch(59.3% 0.045 163.7)
-
Step 700
700
#4B685A
oklch(49% 0.041 163.6)
-
Step 800
800
#3E554A
oklch(42.7% 0.034 164)
-
Step 900
900
#35463E
oklch(37.7% 0.026 164.7)
-
Step 950
950
#1F2924
oklch(27% 0.017 163.4)
#668777 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) | #868276 | 0.045 |
| Deuteranopia (no green cones) | #807E78 | 0.043 |
| Tritanopia (no blue cones) | #5F8782 | 0.018 |
| Achromatopsia (no color) | #808080 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #668777
#668777
oklch(59.3% 0.045 163.7)
- #927485
#927485
oklch(59.3% 0.045 343.5)
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 #668777, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.027
- Dusty Teal #4C9085 ΔE 0.035
- Steel Grey #6F828A ΔE 0.039
- Medium Grey #7D7F7C ΔE 0.040
- Green Grey #77926F ΔE 0.045
- Gray #808080 ΔE 0.045
- Battleship Grey #6B7C85 ΔE 0.045
- Dark Sage #598556 ΔE 0.052
Use #668777 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.