Sea #3C9992
Sea is a medium-light, moderately saturated teal or cyan with hex code #3C9992 and RGB rgb(60, 153, 146).
Aa
Black text reads best on this color (6.16:1).
About this color
#3C9992 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 63%, its chroma 0.088 and its hue 188°. Its hue sits on the cool side of the wheel. It is the named color Sea. Black text reads best on it, at 6.16:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Sea |
| Black text | 6.16:1 |
| White text | 3.40:1 |
Colors that go with Sea
Matches found by rotating Sea around the OKLCH hue wheel, each labelled with the closest name in our list.
Complementary
The opposite hue (180°).
Analogous
Neighbouring hues, 30° either side.
Triadic
Three hues spaced 120° apart.
Color palettes with Sea
Curated color palettes that contain a color within ΔE 0.06 (OKLab) of Sea, closest first.
Similar named colors
The eight named colors closest to Sea, with their ΔE distance.
- Persian Green #2A9D8F ΔE 0.017
- Blue Green #0F9B8E ΔE 0.022
- Dusty Teal #4C9085 ΔE 0.028
- Teal Green #0A9396 ΔE 0.031
- Grey Teal #5E9B8A ΔE 0.031
- Dull Teal #5F9E8F ΔE 0.035
- Cadet Blue #5F9EA0 ΔE 0.041
- Ocean Green #3D9973 ΔE 0.046
More about Sea
How to make Sea
A starting recipe from common paint colors, found with a spectral paint model (the color mixer’s paint mode). Real pigments vary, so mix a small test batch and adjust.
- 3 parts blue
- 2 parts white
- 1 part yellow
Recipe result: #3D9190, a difference of ΔE 0.024 from Sea. That is very close: most people will not see the difference.
Codes for Sea in every format
| HEX | #3C9992 |
| RGB | rgb(60, 153, 146) |
| HSL | hsl(175, 44%, 42%) |
| OKLCH | oklch(62.6% 0.088 188.3) |
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 #3C9992 | 3.40:1 | AA large text | Lc -66.8 | Content text, not long reading |
| Black text on #3C9992 | 6.16:1 | AA | Lc 42.8 | Non-text elements, placeholder text |
| #3C9992 text on white | 3.40:1 | AA large text | Lc 61.3 | Content text, not long reading |
| #3C9992 text on black | 6.16:1 | AA | Lc -40.4 | Non-text elements, placeholder text |
Shades and tints of Sea
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
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E1EDEB
oklch(93.7% 0.013 185.1)
-
Step 200
200
#C8DFDC
oklch(88.6% 0.025 187.3)
-
Step 300
300
#A2CAC6
oklch(80.9% 0.043 188.8)
-
Step 400
400
#6CAFA9
oklch(70.8% 0.069 188.5)
-
Step 500
500 (this color)
#3C9992
oklch(62.6% 0.088 188.3)
-
Step 600
600
#07857E
oklch(55.6% 0.095 188.3)
-
Step 700
700
#00706A
oklch(49.1% 0.085 188.3)
-
Step 800
800
#035C57
oklch(42.8% 0.073 188.3)
-
Step 900
900
#134B47
oklch(37.6% 0.057 188.2)
-
Step 950
950
#0E2C2A
oklch(27% 0.036 189.3)
Sea 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) | #919192 | 0.093 |
| Deuteranopia (no green cones) | #838793 | 0.087 |
| Tritanopia (no blue cones) | #009D97 | 0.021 |
| Achromatopsia (no color) | #8B8B8B | 0.088 |
Use Sea 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.