#688E80
Closest named color: Slate Green (#658D6D). oklch(61.4% 0.047 170), rgb(104, 142, 128).
Aa
Black text reads best on this color (5.76:1).
About this color
#688E80 is a medium-dark, muted green. In OKLCH its lightness is 61%, its chroma 0.047 and its hue 170°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.028 away. Black text reads best on it, at 5.76:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.047) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.76:1 |
| White text | 3.63:1 |
Values
| HEX | #688E80 |
| RGB | rgb(104, 142, 128) |
| HSL | hsl(158, 15%, 48%) |
| OKLCH | oklch(61.4% 0.047 170) |
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 #688E80 | 3.63:1 | AA large text | Lc -69.5 | Content text, not long reading |
| Black text on #688E80 | 5.76:1 | AA | Lc 40.1 | Non-text elements, placeholder text |
| #688E80 text on white | 3.63:1 | AA large text | Lc 64.0 | Content text, not long reading |
| #688E80 text on black | 5.76:1 | AA | Lc -37.7 | 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 500.
-
Step 50
50
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E6EBE9
oklch(93.6% 0.006 170.4)
-
Step 200
200
#D1DCD8
oklch(88.5% 0.013 172.3)
-
Step 300
300
#B3C6BE
oklch(81% 0.024 168.6)
-
Step 400
400
#8AA89D
oklch(70.6% 0.037 171)
-
Step 500
500 (this color)
#688E80
oklch(61.4% 0.047 170)
-
Step 600
600
#547D6F
oklch(55.5% 0.051 171)
-
Step 700
700
#446A5C
oklch(49.1% 0.049 169.1)
-
Step 800
800
#39564C
oklch(42.7% 0.039 170.9)
-
Step 900
900
#31473F
oklch(37.7% 0.031 170.1)
-
Step 950
950
#1D2A25
oklch(27.1% 0.02 169.2)
#688E80 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) | #8C897F | 0.049 |
| Deuteranopia (no green cones) | #858481 | 0.047 |
| Tritanopia (no blue cones) | #5F8F8A | 0.016 |
| Achromatopsia (no color) | #868686 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #688E80
#688E80
oklch(61.4% 0.047 170)
- #9B7988
#9B7988
oklch(61.4% 0.047 350.3)
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 #688E80, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.028
- Dusty Teal #4C9085 ΔE 0.029
- Green Grey #77926F ΔE 0.035
- Grey Teal #5E9B8A ΔE 0.036
- Steel Grey #6F828A ΔE 0.044
- Dull Teal #5F9E8F ΔE 0.044
- Sea #3C9992 ΔE 0.047
- Medium Grey #7D7F7C ΔE 0.048
Use #688E80 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.