#688378
Closest named color: Steel Grey (#6F828A). oklch(58.5% 0.035 168.4), rgb(104, 131, 120).
Aa
Black text reads best on this color (5.10:1).
About this color
#688378 is a medium-dark, muted green. In OKLCH its lightness is 59%, its chroma 0.035 and its hue 168°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Steel Grey (#6F828A), ΔE 0.031 away. Black text reads best on it, at 5.10:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.035) |
| Temperature | in between |
| Nearest name | Steel Grey (#6F828A) |
| Black text | 5.10:1 |
| White text | 4.11:1 |
Values
| HEX | #688378 |
| RGB | rgb(104, 131, 120) |
| HSL | hsl(156, 11%, 46%) |
| OKLCH | oklch(58.5% 0.035 168.4) |
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 #688378 | 4.11:1 | AA large text | Lc -73.8 | Content text, not long reading |
| Black text on #688378 | 5.10:1 | AA | Lc 35.8 | Non-text elements, placeholder text |
| #688378 text on white | 4.11:1 | AA large text | Lc 68.3 | Content text, not long reading |
| #688378 text on black | 5.10:1 | AA | Lc -33.4 | 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
#D4DBD8
oklch(88.5% 0.009 168.7)
-
Step 300
300
#B7C4BF
oklch(80.9% 0.016 170.9)
-
Step 400
400
#92A69E
oklch(70.7% 0.025 169.6)
-
Step 500
500
#779086
oklch(63.1% 0.032 169.1)
-
Step 600
600 (this color)
#688378
oklch(58.5% 0.035 168.4)
-
Step 700
700
#4F675D
oklch(49.1% 0.033 167.6)
-
Step 800
800
#41544C
oklch(42.7% 0.027 167.5)
-
Step 900
900
#37453F
oklch(37.6% 0.021 167.3)
-
Step 950
950
#202925
oklch(27.1% 0.015 166.5)
#688378 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) | #827F77 | 0.037 |
| Deuteranopia (no green cones) | #7D7C79 | 0.035 |
| Tritanopia (no blue cones) | #628380 | 0.013 |
| Achromatopsia (no color) | #7D7D7D | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #688378
#688378
oklch(58.5% 0.035 168.4)
- #8D747F
#8D747F
oklch(58.6% 0.035 349.9)
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 #688378, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Grey #6F828A ΔE 0.031
- Medium Grey #7D7F7C ΔE 0.032
- Battleship Grey #6B7C85 ΔE 0.034
- Gray #808080 ΔE 0.038
- Slate Green #658D6D ΔE 0.039
- Dusty Teal #4C9085 ΔE 0.043
- Slate Gray #708090 ΔE 0.043
- Grey Blue #647D8E ΔE 0.044
Use #688378 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.