Deep Teal #00555A
Deep Teal is a dark, muted teal or cyan with hex code #00555A and RGB rgb(0, 85, 90).
Aa
White text reads best on this color (8.58:1).
About this color
#00555A is a dark, muted teal or cyan. In OKLCH its lightness is 41%, its chroma 0.070 and its hue 202°. Its hue sits on the cool side of the wheel. It is the named color Deep Teal. White text reads best on it, at 8.58:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | Deep Teal |
| Black text | 2.44:1 |
| White text | 8.58:1 |
Colors that go with Deep Teal
Matches found by rotating Deep Teal 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 Deep Teal
Curated color palettes that contain a color within ΔE 0.06 (OKLab) of Deep Teal, closest first.
Similar named colors
The eight named colors closest to Deep Teal, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.028
- Dark Teal #014D4E ΔE 0.029
- Dark Slate Gray #2F4F4F ΔE 0.033
- Petrol #005F6A ΔE 0.037
- Charcoal #264653 ΔE 0.049
- Dark Green Blue #1F6357 ΔE 0.053
- Dark Grey Blue #29465B ΔE 0.053
- Dark Aqua #05696B ΔE 0.065
More about Deep Teal
How to make Deep Teal
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.
- 2 parts blue
- 1 part brown
Recipe result: #25545A, a difference of ΔE 0.020 from Deep Teal. That is very close: most people will not see the difference.
Codes for Deep Teal in every format
| HEX | #00555A |
| RGB | rgb(0, 85, 90) |
| HSL | hsl(183, 100%, 18%) |
| OKLCH | oklch(40.9% 0.07 201.7) |
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 #00555A | 8.58:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #00555A | 2.44:1 | Fails | Lc 15.0 | Not readable |
| #00555A text on white | 8.58:1 | AAA | Lc 89.0 | Fine for body text |
| #00555A text on black | 2.44:1 | Fails | Lc -13.2 | Not readable |
Shades and tints of Deep Teal
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 800.
-
Step 50
50
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E1ECED
oklch(93.5% 0.012 203.5)
-
Step 200
200
#C9DEDF
oklch(88.5% 0.022 200.2)
-
Step 300
300
#A3C9CC
oklch(80.9% 0.041 202.3)
-
Step 400
400
#6EADB2
oklch(70.7% 0.065 202.2)
-
Step 500
500
#41989F
oklch(63% 0.083 202.5)
-
Step 600
600
#14838A
oklch(55.7% 0.091 201.8)
-
Step 700
700
#006E75
oklch(49% 0.083 202.5)
-
Step 800
800 (this color)
#00555A
oklch(40.9% 0.07 201.7)
-
Step 900
900
#164A4E
oklch(37.7% 0.054 202.4)
-
Step 950
950
#0F2B2D
oklch(26.9% 0.034 201.6)
Deep Teal 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) | #4D515A | 0.069 |
| Deuteranopia (no green cones) | #42495A | 0.064 |
| Tritanopia (no blue cones) | #005956 | 0.017 |
| Achromatopsia (no color) | #4C4C4C | 0.070 |
Use Deep Teal 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.