#18977D
Closest named color: Ocean Green (#3D9973). oklch(60.6% 0.11 174.1), rgb(24, 151, 125).
Aa
Black text reads best on this color (5.76:1).
About this color
#18977D is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 61%, its chroma 0.110 and its hue 174°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean Green (#3D9973), ΔE 0.024 away. Black text reads best on it, at 5.76:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Ocean Green (#3D9973) |
| Black text | 5.76:1 |
| White text | 3.64:1 |
Values
| HEX | #18977D |
| RGB | rgb(24, 151, 125) |
| HSL | hsl(168, 73%, 34%) |
| OKLCH | oklch(60.6% 0.11 174.1) |
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 #18977D | 3.64:1 | AA large text | Lc -69.1 | Content text, not long reading |
| Black text on #18977D | 5.76:1 | AA | Lc 40.5 | Non-text elements, placeholder text |
| #18977D text on white | 3.64:1 | AA large text | Lc 63.6 | Content text, not long reading |
| #18977D text on black | 5.76:1 | AA | Lc -38.1 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E0EDE9
oklch(93.5% 0.015 175.7)
-
Step 200
200
#C6E0D8
oklch(88.5% 0.03 175.2)
-
Step 300
300
#9DCCBE
oklch(80.8% 0.053 174.7)
-
Step 400
400
#62B29D
oklch(70.6% 0.085 174.8)
-
Step 500
500 (this color)
#18977D
oklch(60.6% 0.11 174.1)
-
Step 600
600
#00876F
oklch(55.6% 0.106 174.3)
-
Step 700
700
#00715D
oklch(49% 0.093 174.7)
-
Step 800
800
#005D4C
oklch(42.7% 0.081 174.6)
-
Step 900
900
#004E3F
oklch(37.8% 0.072 174.1)
-
Step 950
950
#072E25
oklch(27.2% 0.046 173.9)
#18977D 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) | #918D7C | 0.114 |
| Deuteranopia (no green cones) | #82817F | 0.110 |
| Tritanopia (no blue cones) | #00998F | 0.026 |
| Achromatopsia (no color) | #868686 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18977D
#18977D
oklch(60.6% 0.11 174.1)
- #B56486
#B56486
oklch(60.6% 0.111 354.3)
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 #18977D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Green #3D9973 ΔE 0.024
- Blue Green #0F9B8E ΔE 0.025
- Persian Green #2A9D8F ΔE 0.031
- Viridian #1E9167 ΔE 0.032
- Sea #3C9992 ΔE 0.039
- Dusty Teal #4C9085 ΔE 0.041
- Teal Green #0A9396 ΔE 0.044
- Dark Cyan #008B8B ΔE 0.049
Use #18977D 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.