#18776A
Closest named color: Dark Aquamarine (#017371). oklch(51.4% 0.086 181.1), rgb(24, 119, 106).
Aa
White text reads best on this color (5.40:1).
About this color
#18776A is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 51%, its chroma 0.086 and its hue 181°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.021 away. White text reads best on it, at 5.40:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.88:1 |
| White text | 5.40:1 |
Values
| HEX | #18776A |
| RGB | rgb(24, 119, 106) |
| HSL | hsl(172, 66%, 28%) |
| OKLCH | oklch(51.4% 0.086 181.1) |
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 #18776A | 5.40:1 | AA | Lc -81.9 | Fine for body text |
| Black text on #18776A | 3.88:1 | AA large text | Lc 27.5 | Dividers and decoration only |
| #18776A text on white | 5.40:1 | AA | Lc 76.6 | Fine for body text |
| #18776A text on black | 3.88:1 | AA large text | Lc -25.2 | 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
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2EDEA
oklch(93.7% 0.012 178)
-
Step 200
200
#CADEDA
oklch(88.5% 0.022 182.5)
-
Step 300
300
#A4CAC2
oklch(80.9% 0.042 181)
-
Step 400
400
#71AFA3
oklch(70.8% 0.067 180.7)
-
Step 500
500
#469A8C
oklch(63% 0.085 181)
-
Step 600
600
#1D8576
oklch(55.7% 0.093 180.5)
-
Step 700
700 (this color)
#18776A
oklch(51.4% 0.086 181.1)
-
Step 800
800
#115C51
oklch(42.8% 0.072 180.3)
-
Step 900
900
#184B43
oklch(37.6% 0.056 181)
-
Step 950
950
#102C27
oklch(27% 0.035 180.2)
#18776A 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) | #716F6A | 0.091 |
| Deuteranopia (no green cones) | #65666B | 0.087 |
| Tritanopia (no blue cones) | #007973 | 0.014 |
| Achromatopsia (no color) | #6A6A6A | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18776A
#18776A
oklch(51.4% 0.086 181.1)
- #8F5164
#8F5164
oklch(51.3% 0.086 0.9)
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 #18776A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.021
- Bluegreen #017A79 ΔE 0.022
- Deep Turquoise #017374 ΔE 0.024
- Deep Aqua #08787F ΔE 0.033
- Teal #008080 ΔE 0.037
- Dark Aqua #05696B ΔE 0.047
- Ocean #017B92 ΔE 0.061
- Dark Green Blue #1F6357 ΔE 0.062
Use #18776A 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.