#18705D
Closest named color: Dark Aquamarine (#017371). oklch(49% 0.085 174.3), rgb(24, 112, 93).
Aa
White text reads best on this color (5.97:1).
About this color
#18705D is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 49%, its chroma 0.085 and its hue 174°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.030 away. White text reads best on it, at 5.97:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.51:1 |
| White text | 5.97:1 |
Values
| HEX | #18705D |
| RGB | rgb(24, 112, 93) |
| HSL | hsl(167, 65%, 27%) |
| OKLCH | oklch(49% 0.085 174.3) |
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 #18705D | 5.97:1 | AA | Lc -84.7 | Fine for body text |
| Black text on #18705D | 3.51:1 | AA large text | Lc 24.6 | Dividers and decoration only |
| #18705D text on white | 5.97:1 | AA | Lc 79.5 | Fine for body text |
| #18705D text on black | 3.51:1 | AA large text | Lc -22.3 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDE9
oklch(93.7% 0.013 172.4)
-
Step 200
200
#CADED8
oklch(88.4% 0.023 175.9)
-
Step 300
300
#A6CABF
oklch(81% 0.041 174.7)
-
Step 400
400
#74AE9E
oklch(70.6% 0.065 175.1)
-
Step 500
500
#4B9A86
oklch(63% 0.084 174.7)
-
Step 600
600
#28856F
oklch(55.7% 0.093 173.7)
-
Step 700
700 (this color)
#18705D
oklch(49% 0.085 174.3)
-
Step 800
800
#185B4C
oklch(42.6% 0.07 174.6)
-
Step 900
900
#1C4B3F
oklch(37.6% 0.055 173.8)
-
Step 950
950
#122C25
oklch(27% 0.035 173.9)
#18705D 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) | #6C685C | 0.089 |
| Deuteranopia (no green cones) | #60605E | 0.084 |
| Tritanopia (no blue cones) | #00716A | 0.020 |
| Achromatopsia (no color) | #636363 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18705D
#18705D
oklch(49% 0.085 174.3)
- #864B63
#864B63
oklch(49% 0.085 354.8)
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 #18705D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.030
- Deep Turquoise #017374 ΔE 0.035
- Dark Aqua #05696B ΔE 0.037
- Dark Green Blue #1F6357 ΔE 0.040
- Bluegreen #017A79 ΔE 0.045
- Deep Aqua #08787F ΔE 0.052
- Teal #008080 ΔE 0.062
- Petrol #005F6A ΔE 0.067
Use #18705D 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.