#617D71
Closest named color: Battleship Grey (#6B7C85). oklch(56.4% 0.037 167), rgb(97, 125, 113).
Aa
Black text reads best on this color (4.68:1).
About this color
#617D71 is a medium-dark, muted green. In OKLCH its lightness is 56%, its chroma 0.037 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Battleship Grey (#6B7C85), ΔE 0.036 away. Black text reads best on it, at 4.68:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.037) |
| Temperature | in between |
| Nearest name | Battleship Grey (#6B7C85) |
| Black text | 4.68:1 |
| White text | 4.48:1 |
Values
| HEX | #617D71 |
| RGB | rgb(97, 125, 113) |
| HSL | hsl(154, 13%, 44%) |
| OKLCH | oklch(56.4% 0.037 167) |
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 #617D71 | 4.48:1 | AA large text | Lc -76.6 | Fine for body text |
| Black text on #617D71 | 4.68:1 | AA | Lc 32.9 | Non-text elements, placeholder text |
| #617D71 text on white | 4.48:1 | AA large text | Lc 71.1 | Content text, not long reading |
| #617D71 text on black | 4.68:1 | AA | Lc -30.5 | 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
#B7C4BE
oklch(80.9% 0.017 166.6)
-
Step 400
400
#91A69D
oklch(70.6% 0.027 167.9)
-
Step 500
500
#769085
oklch(63% 0.034 167.7)
-
Step 600
600 (this color)
#617D71
oklch(56.4% 0.037 167)
-
Step 700
700
#4E675D
oklch(49% 0.034 168.5)
-
Step 800
800
#40544C
oklch(42.6% 0.028 168.6)
-
Step 900
900
#36463F
oklch(37.8% 0.024 166.6)
-
Step 950
950
#202925
oklch(27.1% 0.015 166.5)
#617D71 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) | #7C7970 | 0.038 |
| Deuteranopia (no green cones) | #767572 | 0.036 |
| Tritanopia (no blue cones) | #5B7D79 | 0.014 |
| Achromatopsia (no color) | #777777 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #617D71
#617D71
oklch(56.4% 0.037 167)
- #876D7A
#876D7A
oklch(56.4% 0.038 346.8)
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 #617D71, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Grey #6B7C85 ΔE 0.036
- Battleship Gray #6C757D ΔE 0.038
- Steel Grey #6F828A ΔE 0.044
- Medium Grey #7D7F7C ΔE 0.044
- Grey Blue #647D8E ΔE 0.046
- Slate Green #658D6D ΔE 0.051
- Gray #808080 ΔE 0.052
- Slate Gray #708090 ΔE 0.053
Use #617D71 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.