#478E91
Closest named color: Dusty Teal (#4C9085). oklch(60.2% 0.071 199.1), rgb(71, 142, 145).
Aa
Black text reads best on this color (5.54:1).
About this color
#478E91 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 60%, its chroma 0.071 and its hue 199°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.021 away. Black text reads best on it, at 5.54:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.54:1 |
| White text | 3.78:1 |
Values
| HEX | #478E91 |
| RGB | rgb(71, 142, 145) |
| HSL | hsl(182, 34%, 42%) |
| OKLCH | oklch(60.2% 0.071 199.1) |
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 #478E91 | 3.78:1 | AA large text | Lc -70.7 | Content text, not long reading |
| Black text on #478E91 | 5.54:1 | AA | Lc 38.8 | Non-text elements, placeholder text |
| #478E91 text on white | 3.78:1 | AA large text | Lc 65.2 | Content text, not long reading |
| #478E91 text on black | 5.54:1 | AA | Lc -36.4 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEC
oklch(93.6% 0.01 197)
-
Step 200
200
#CBDDDE
oklch(88.4% 0.019 200.8)
-
Step 300
300
#A7C8C9
oklch(80.9% 0.035 198.7)
-
Step 400
400
#77ACAE
oklch(70.8% 0.056 198.9)
-
Step 500
500 (this color)
#478E91
oklch(60.2% 0.071 199.1)
-
Step 600
600
#308184
oklch(55.6% 0.077 198.6)
-
Step 700
700
#216D70
oklch(49.1% 0.072 198.9)
-
Step 800
800
#1E595B
oklch(42.7% 0.06 198.3)
-
Step 900
900
#1F494B
oklch(37.7% 0.047 199.5)
-
Step 950
950
#132B2C
oklch(27% 0.03 199.1)
#478E91 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) | #858891 | 0.073 |
| Deuteranopia (no green cones) | #797F91 | 0.068 |
| Tritanopia (no blue cones) | #15928F | 0.030 |
| Achromatopsia (no color) | #838383 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #478E91
#478E91
oklch(60.2% 0.071 199.1)
- #A77070
#A77070
oklch(60.2% 0.07 19.3)
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 #478E91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.021
- Teal Green #0A9396 ΔE 0.030
- Sea #3C9992 ΔE 0.033
- Dark Cyan #008B8B ΔE 0.038
- Teal Blue #01889F ΔE 0.046
- Blue Green #0F9B8E ΔE 0.046
- Persian Green #2A9D8F ΔE 0.047
- Steel Grey #6F828A ΔE 0.051
Use #478E91 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.