#005E5B
Closest named color: Dark Green Blue (#1F6357). oklch(43.5% 0.075 191), rgb(0, 94, 91).
Aa
White text reads best on this color (7.63:1).
About this color
#005E5B is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 44%, its chroma 0.075 and its hue 191°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.025 away. White text reads best on it, at 7.63:1.
| Hue family | Teals and cyans |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.75:1 |
| White text | 7.63:1 |
Values
| HEX | #005E5B |
| RGB | rgb(0, 94, 91) |
| HSL | hsl(178, 100%, 18%) |
| OKLCH | oklch(43.5% 0.075 191) |
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 #005E5B | 7.63:1 | AAA | Lc -90.8 | Preferred for body text |
| Black text on #005E5B | 2.75:1 | Fails | Lc 18.0 | Dividers and decoration only |
| #005E5B text on white | 7.63:1 | AAA | Lc 86.0 | Fine for body text |
| #005E5B text on black | 2.75:1 | Fails | Lc -16.1 | 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 800.
-
Step 50
50
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E1EDEC
oklch(93.7% 0.013 190.9)
-
Step 200
200
#C8DFDD
oklch(88.6% 0.025 190.4)
-
Step 300
300
#A1CAC7
oklch(80.9% 0.044 190.8)
-
Step 400
400
#6AAFAB
oklch(70.7% 0.07 190.9)
-
Step 500
500
#3A9B96
oklch(63.2% 0.09 190.3)
-
Step 600
600
#008581
oklch(55.7% 0.096 191.1)
-
Step 700
700
#00706C
oklch(49.2% 0.085 190.4)
-
Step 800
800 (this color)
#005E5B
oklch(43.5% 0.075 191)
-
Step 900
900
#104B49
oklch(37.6% 0.058 191.6)
-
Step 950
950
#0C2C2B
oklch(26.9% 0.037 192.3)
#005E5B 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) | #57585B | 0.078 |
| Deuteranopia (no green cones) | #4C505C | 0.074 |
| Tritanopia (no blue cones) | #00615D | 0.010 |
| Achromatopsia (no color) | #545454 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #005E5B
#005E5B
oklch(43.5% 0.075 191)
- #743F47
#743F47
oklch(43.5% 0.074 11)
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 #005E5B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.025
- Petrol #005F6A ΔE 0.025
- Deep Teal #00555A ΔE 0.030
- Dark Aqua #05696B ΔE 0.039
- Dark Blue Green #005249 ΔE 0.043
- Dark Slate Gray #2F4F4F ΔE 0.049
- Dark Teal #014D4E ΔE 0.055
- Spruce #0A5F38 ΔE 0.057
Use #005E5B 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.