#18786A
Closest named color: Bluegreen (#017A79). oklch(51.6% 0.087 180.3), rgb(24, 120, 106).
Aa
White text reads best on this color (5.33:1).
About this color
#18786A is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 52%, its chroma 0.087 and its hue 180°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.022 away. White text reads best on it, at 5.33:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Bluegreen (#017A79) |
| Black text | 3.93:1 |
| White text | 5.33:1 |
Values
| HEX | #18786A |
| RGB | rgb(24, 120, 106) |
| HSL | hsl(171, 67%, 28%) |
| OKLCH | oklch(51.6% 0.087 180.3) |
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 #18786A | 5.33:1 | AA | Lc -81.5 | Fine for body text |
| Black text on #18786A | 3.93:1 | AA large text | Lc 27.9 | Dividers and decoration only |
| #18786A text on white | 5.33:1 | AA | Lc 76.2 | Fine for body text |
| #18786A text on black | 3.93:1 | AA large text | Lc -25.5 | 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 700.
-
Step 50
50
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDEA
oklch(93.7% 0.012 178)
-
Step 200
200
#C9DEDA
oklch(88.4% 0.023 183.1)
-
Step 300
300
#A4CAC2
oklch(80.9% 0.042 181)
-
Step 400
400
#70AFA2
oklch(70.7% 0.068 179.7)
-
Step 500
500
#459B8C
oklch(63.2% 0.086 180.3)
-
Step 600
600
#1C8576
oklch(55.6% 0.093 180.6)
-
Step 700
700 (this color)
#18786A
oklch(51.6% 0.087 180.3)
-
Step 800
800
#105C51
oklch(42.8% 0.072 180.4)
-
Step 900
900
#184B43
oklch(37.6% 0.056 181)
-
Step 950
950
#102C27
oklch(27% 0.035 180.2)
#18786A 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) | #727069 | 0.092 |
| Deuteranopia (no green cones) | #66676B | 0.088 |
| Tritanopia (no blue cones) | #007A74 | 0.015 |
| Achromatopsia (no color) | #6B6B6B | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18786A
#18786A
oklch(51.6% 0.087 180.3)
- #905266
#905266
oklch(51.7% 0.086 359.8)
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 #18786A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.022
- Dark Aquamarine #017371 ΔE 0.023
- Deep Turquoise #017374 ΔE 0.027
- Deep Aqua #08787F ΔE 0.033
- Teal #008080 ΔE 0.035
- Dark Aqua #05696B ΔE 0.050
- Ocean #017B92 ΔE 0.062
- Dark Green Blue #1F6357 ΔE 0.065
Use #18786A 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.