#617C6C
Closest named color: Battleship Gray (#6C757D). oklch(56% 0.04 158.8), rgb(97, 124, 108).
Aa
Black text reads best on this color (4.60:1).
About this color
#617C6C is a medium-dark, muted green. In OKLCH its lightness is 56%, its chroma 0.040 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Battleship Gray (#6C757D), ΔE 0.042 away. Black text reads best on it, at 4.60:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.040) |
| Temperature | in between |
| Nearest name | Battleship Gray (#6C757D) |
| Black text | 4.60:1 |
| White text | 4.55:1 |
Values
| HEX | #617C6C |
| RGB | rgb(97, 124, 108) |
| HSL | hsl(144, 12%, 43%) |
| OKLCH | oklch(56% 0.04 158.8) |
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 #617C6C | 4.55:1 | AA | Lc -77.1 | Fine for body text |
| Black text on #617C6C | 4.60:1 | AA | Lc 32.4 | Non-text elements, placeholder text |
| #617C6C text on white | 4.55:1 | AA | Lc 71.6 | Content text, not long reading |
| #617C6C text on black | 4.60:1 | AA | Lc -30.0 | 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
#E7EBE8
oklch(93.6% 0.006 153.8)
-
Step 200
200
#D4DBD7
oklch(88.5% 0.009 161.3)
-
Step 300
300
#B7C4BC
oklch(80.8% 0.018 159)
-
Step 400
400
#92A69A
oklch(70.6% 0.028 159.3)
-
Step 500
500
#779181
oklch(63.2% 0.038 158.1)
-
Step 600
600 (this color)
#617C6C
oklch(56% 0.04 158.8)
-
Step 700
700
#4F6759
oklch(49% 0.036 159.1)
-
Step 800
800
#415449
oklch(42.6% 0.03 159.4)
-
Step 900
900
#37463D
oklch(37.8% 0.025 158.6)
-
Step 950
950
#202924
oklch(27% 0.016 160.8)
#617C6C 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) | #7B786B | 0.037 |
| Deuteranopia (no green cones) | #77746D | 0.038 |
| Tritanopia (no blue cones) | #5C7C77 | 0.017 |
| Achromatopsia (no color) | #767676 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #617C6C
#617C6C
oklch(56% 0.04 158.8)
- #856C7C
#856C7C
oklch(56.1% 0.039 339.8)
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 #617C6C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Gray #6C757D ΔE 0.042
- Battleship Grey #6B7C85 ΔE 0.043
- Medium Grey #7D7F7C ΔE 0.049
- Dark Sage #598556 ΔE 0.050
- Steel Grey #6F828A ΔE 0.051
- Slate Green #658D6D ΔE 0.052
- Grey Blue #647D8E ΔE 0.053
- Grey Brown #7F7053 ΔE 0.053
Use #617C6C 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.