#688577
Closest named color: Slate Green (#658D6D). oklch(59% 0.039 164.1), rgb(104, 133, 119).
Aa
Black text reads best on this color (5.21:1).
About this color
#688577 is a medium-dark, muted green. In OKLCH its lightness is 59%, its chroma 0.039 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 0.032 away. Black text reads best on it, at 5.21:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.039) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.21:1 |
| White text | 4.03:1 |
Values
| HEX | #688577 |
| RGB | rgb(104, 133, 119) |
| HSL | hsl(151, 12%, 46%) |
| OKLCH | oklch(59% 0.039 164.1) |
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 #688577 | 4.03:1 | AA large text | Lc -73.1 | Content text, not long reading |
| Black text on #688577 | 5.21:1 | AA | Lc 36.5 | Non-text elements, placeholder text |
| #688577 text on white | 4.03:1 | AA large text | Lc 67.6 | Content text, not long reading |
| #688577 text on black | 5.21:1 | AA | Lc -34.1 | 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 600.
-
Step 50
50
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E7EBE9
oklch(93.6% 0.005 165)
-
Step 200
200
#D4DBD7
oklch(88.5% 0.009 161.3)
-
Step 300
300
#B7C4BD
oklch(80.8% 0.017 162.6)
-
Step 400
400
#91A69C
oklch(70.6% 0.028 165.3)
-
Step 500
500
#769184
oklch(63.2% 0.036 164.5)
-
Step 600
600 (this color)
#688577
oklch(59% 0.039 164.1)
-
Step 700
700
#4E685B
oklch(49.2% 0.037 163)
-
Step 800
800
#40544B
oklch(42.6% 0.029 165.8)
-
Step 900
900
#36463E
oklch(37.8% 0.025 163.3)
-
Step 950
950
#202924
oklch(27% 0.016 160.8)
#688577 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) | #848176 | 0.039 |
| Deuteranopia (no green cones) | #7F7D78 | 0.038 |
| Tritanopia (no blue cones) | #628581 | 0.016 |
| Achromatopsia (no color) | #7F7F7F | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #688577
#688577
oklch(59% 0.039 164.1)
- #8F7483
#8F7483
oklch(59% 0.04 343.9)
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 #688577, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.032
- Steel Grey #6F828A ΔE 0.035
- Medium Grey #7D7F7C ΔE 0.035
- Dusty Teal #4C9085 ΔE 0.039
- Battleship Grey #6B7C85 ΔE 0.040
- Gray #808080 ΔE 0.041
- Slate Gray #708090 ΔE 0.048
- Green Grey #77926F ΔE 0.049
Use #688577 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.