#51706B
Closest named color: Dim Gray (#696969). oklch(52% 0.037 183.9), rgb(81, 112, 107).
Aa
White text reads best on this color (5.41:1).
About this color
#51706B is a medium-dark, muted teal or cyan. In OKLCH its lightness is 52%, its chroma 0.037 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is Dim Gray (#696969), ΔE 0.037 away. White text reads best on it, at 5.41:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Dim Gray (#696969) |
| Black text | 3.87:1 |
| White text | 5.41:1 |
Values
| HEX | #51706B |
| RGB | rgb(81, 112, 107) |
| HSL | hsl(170, 16%, 38%) |
| OKLCH | oklch(52% 0.037 183.9) |
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 #51706B | 5.41:1 | AA | Lc -82.3 | Fine for body text |
| Black text on #51706B | 3.87:1 | AA large text | Lc 27.1 | Dividers and decoration only |
| #51706B text on white | 5.41:1 | AA | Lc 77.0 | Fine for body text |
| #51706B text on black | 3.87:1 | AA large text | Lc -24.8 | Dividers and decoration only |
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 700.
-
Step 50
50
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E6EBEA
oklch(93.6% 0.006 183)
-
Step 200
200
#D2DBDA
oklch(88.4% 0.01 189)
-
Step 300
300
#B5C5C2
oklch(81% 0.018 183.4)
-
Step 400
400
#8EA7A2
oklch(70.8% 0.029 182)
-
Step 500
500
#71918C
oklch(63.1% 0.037 184.6)
-
Step 600
600
#597B76
oklch(55.5% 0.039 184.9)
-
Step 700
700 (this color)
#51706B
oklch(52% 0.037 183.9)
-
Step 800
800
#3C5551
oklch(42.8% 0.031 183.9)
-
Step 900
900
#344643
oklch(37.8% 0.023 183.7)
-
Step 950
950
#1E2927
oklch(27% 0.016 182.8)
#51706B 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) | #6D6C6B | 0.040 |
| Deuteranopia (no green cones) | #67686B | 0.037 |
| Tritanopia (no blue cones) | #48716E | 0.011 |
| Achromatopsia (no color) | #6A6A6A | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51706B
#51706B
oklch(52% 0.037 183.9)
- #7C6066
#7C6066
oklch(51.9% 0.037 4.1)
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 #51706B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dim Gray #696969 ΔE 0.037
- Slate #516572 ΔE 0.039
- Battleship Gray #6C757D ΔE 0.050
- Deep Turquoise #017374 ΔE 0.053
- Dark Aquamarine #017371 ΔE 0.053
- Deep Aqua #08787F ΔE 0.054
- Bluegreen #017A79 ΔE 0.054
- Metallic Blue #4F738E ΔE 0.054
Use #51706B 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.