#18655B
Closest named color: Dark Green Blue (#1F6357). oklch(45.9% 0.074 182.3), rgb(24, 101, 91).
Aa
White text reads best on this color (6.88:1).
About this color
#18655B is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 46%, its chroma 0.074 and its hue 182°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.008 away. White text reads best on it, at 6.88:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.05:1 |
| White text | 6.88:1 |
Values
| HEX | #18655B |
| RGB | rgb(24, 101, 91) |
| HSL | hsl(172, 62%, 25%) |
| OKLCH | oklch(45.9% 0.074 182.3) |
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 #18655B | 6.88:1 | AA | Lc -88.5 | Fine for body text |
| Black text on #18655B | 3.05:1 | AA large text | Lc 20.6 | Dividers and decoration only |
| #18655B text on white | 6.88:1 | AA | Lc 83.5 | Fine for body text |
| #18655B text on black | 3.05:1 | AA large text | Lc -18.5 | 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 800.
-
Step 50
50
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E1EDEA
oklch(93.6% 0.013 179.5)
-
Step 200
200
#C9DFDA
oklch(88.6% 0.024 180.6)
-
Step 300
300
#A3CAC3
oklch(80.9% 0.043 183.1)
-
Step 400
400
#6EAFA4
oklch(70.7% 0.069 182.4)
-
Step 500
500
#419B8E
oklch(63.1% 0.088 182.5)
-
Step 600
600
#118578
oklch(55.5% 0.096 182.7)
-
Step 700
700
#007165
oklch(49.2% 0.088 182.2)
-
Step 800
800 (this color)
#18655B
oklch(45.9% 0.074 182.3)
-
Step 900
900
#154B44
oklch(37.6% 0.057 183)
-
Step 950
950
#0F2C28
oklch(27% 0.036 183.4)
#18655B 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) | #605F5B | 0.078 |
| Deuteranopia (no green cones) | #55575C | 0.074 |
| Tritanopia (no blue cones) | #006762 | 0.012 |
| Achromatopsia (no color) | #5A5A5A | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18655B
#18655B
oklch(45.9% 0.074 182.3)
- #7A4554
#7A4554
oklch(45.8% 0.075 2.3)
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 #18655B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.008
- Dark Aqua #05696B ΔE 0.025
- Petrol #005F6A ΔE 0.037
- Dark Aquamarine #017371 ΔE 0.047
- Deep Turquoise #017374 ΔE 0.050
- Spruce #0A5F38 ΔE 0.055
- Deep Teal #00555A ΔE 0.055
- Pine #2B5D34 ΔE 0.056
Use #18655B 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.