#18685E
Closest named color: Dark Green Blue (#1F6357). oklch(46.8% 0.076 182.7), rgb(24, 104, 94).
Aa
White text reads best on this color (6.60:1).
About this color
#18685E is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 47%, its chroma 0.076 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.016 away. White text reads best on it, at 6.60:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.18:1 |
| White text | 6.60:1 |
Values
| HEX | #18685E |
| RGB | rgb(24, 104, 94) |
| HSL | hsl(173, 63%, 25%) |
| OKLCH | oklch(46.8% 0.076 182.7) |
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 #18685E | 6.60:1 | AA | Lc -87.4 | Fine for body text |
| Black text on #18685E | 3.18:1 | AA large text | Lc 21.7 | Dividers and decoration only |
| #18685E text on white | 6.60:1 | AA | Lc 82.3 | Fine for body text |
| #18685E text on black | 3.18:1 | AA large text | Lc -19.6 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEA
oklch(93.6% 0.01 181.4)
-
Step 200
200
#CBDEDA
oklch(88.5% 0.021 181.8)
-
Step 300
300
#A8C9C2
oklch(81% 0.037 181.1)
-
Step 400
400
#77ADA4
oklch(70.7% 0.058 183.1)
-
Step 500
500
#50988D
oklch(63% 0.075 182.8)
-
Step 600
600
#308377
oklch(55.6% 0.082 182.1)
-
Step 700
700 (this color)
#18685E
oklch(46.8% 0.076 182.7)
-
Step 800
800
#1E5A52
oklch(42.7% 0.063 183)
-
Step 900
900
#1F4A44
oklch(37.7% 0.049 183.3)
-
Step 950
950
#142B28
oklch(26.9% 0.03 184.8)
#18685E 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) | #63625E | 0.081 |
| Deuteranopia (no green cones) | #58595F | 0.077 |
| Tritanopia (no blue cones) | #006A65 | 0.012 |
| Achromatopsia (no color) | #5D5D5D | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18685E
#18685E
oklch(46.8% 0.076 182.7)
- #7D4856
#7D4856
oklch(46.8% 0.074 3.3)
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 #18685E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.016
- Dark Aqua #05696B ΔE 0.020
- Dark Aquamarine #017371 ΔE 0.038
- Deep Turquoise #017374 ΔE 0.041
- Petrol #005F6A ΔE 0.042
- Bluegreen #017A79 ΔE 0.060
- Spruce #0A5F38 ΔE 0.060
- Pine #2B5D34 ΔE 0.061
Use #18685E 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.