#428D79
Closest named color: Dusty Teal (#4C9085). oklch(59% 0.081 173.6), rgb(66, 141, 121).
Aa
Black text reads best on this color (5.31:1).
About this color
#428D79 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.081 and its hue 174°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.022 away. Black text reads best on it, at 5.31:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.31:1 |
| White text | 3.94:1 |
Values
| HEX | #428D79 |
| RGB | rgb(66, 141, 121) |
| HSL | hsl(164, 36%, 41%) |
| OKLCH | oklch(59% 0.081 173.6) |
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 #428D79 | 3.94:1 | AA large text | Lc -72.2 | Content text, not long reading |
| Black text on #428D79 | 5.31:1 | AA | Lc 37.4 | Non-text elements, placeholder text |
| #428D79 text on white | 3.94:1 | AA large text | Lc 66.7 | Content text, not long reading |
| #428D79 text on black | 5.31:1 | AA | Lc -35.0 | 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 600.
-
Step 50
50
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E3ECE9
oklch(93.5% 0.01 174.3)
-
Step 200
200
#CCDED8
oklch(88.5% 0.021 173.9)
-
Step 300
300
#A9C9BE
oklch(80.9% 0.038 172.5)
-
Step 400
400
#7AAD9D
oklch(70.7% 0.059 173.1)
-
Step 500
500
#559886
oklch(63% 0.074 174.5)
-
Step 600
600 (this color)
#428D79
oklch(59% 0.081 173.6)
-
Step 700
700
#296F5D
oklch(49.2% 0.076 173.2)
-
Step 800
800
#245A4C
oklch(42.7% 0.062 173.6)
-
Step 900
900
#234A3F
oklch(37.7% 0.049 173.1)
-
Step 950
950
#152B25
oklch(26.9% 0.03 174.4)
#428D79 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) | #898578 | 0.085 |
| Deuteranopia (no green cones) | #7D7D7A | 0.080 |
| Tritanopia (no blue cones) | #1F8E87 | 0.026 |
| Achromatopsia (no color) | #808080 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #428D79
#428D79
oklch(59% 0.081 173.6)
- #A36981
#A36981
oklch(59% 0.08 353.4)
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 #428D79, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.022
- Slate Green #658D6D ΔE 0.037
- Dark Cyan #008B8B ΔE 0.039
- Ocean Green #3D9973 ΔE 0.040
- Viridian #1E9167 ΔE 0.041
- Sea #3C9992 ΔE 0.043
- Teal Green #0A9396 ΔE 0.044
- Blue Green #0F9B8E ΔE 0.044
Use #428D79 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.