#428F76
Closest named color: Dusty Teal (#4C9085). oklch(59.4% 0.086 169.5), rgb(66, 143, 118).
Aa
Black text reads best on this color (5.42:1).
About this color
#428F76 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.086 and its hue 170°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.025 away. Black text reads best on it, at 5.42:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.086) |
| Temperature | in between |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.42:1 |
| White text | 3.87:1 |
Values
| HEX | #428F76 |
| RGB | rgb(66, 143, 118) |
| HSL | hsl(161, 37%, 41%) |
| OKLCH | oklch(59.4% 0.086 169.5) |
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 #428F76 | 3.87:1 | AA large text | Lc -71.5 | Content text, not long reading |
| Black text on #428F76 | 5.42:1 | AA | Lc 38.1 | Non-text elements, placeholder text |
| #428F76 text on white | 3.87:1 | AA large text | Lc 66.0 | Content text, not long reading |
| #428F76 text on black | 5.42:1 | AA | Lc -35.7 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDE8
oklch(93.6% 0.013 167.2)
-
Step 200
200
#CBDED6
oklch(88.4% 0.023 168.7)
-
Step 300
300
#A7CABC
oklch(80.9% 0.042 169)
-
Step 400
400
#75AF9A
oklch(70.8% 0.068 169.6)
-
Step 500
500 (this color)
#428F76
oklch(59.4% 0.086 169.5)
-
Step 600
600
#2C856A
oklch(55.6% 0.094 169.1)
-
Step 700
700
#1D7059
oklch(49% 0.086 170.1)
-
Step 800
800
#1B5C48
oklch(42.8% 0.073 168.7)
-
Step 900
900
#1E4B3D
oklch(37.7% 0.056 170.2)
-
Step 950
950
#132C24
oklch(27% 0.035 170.7)
#428F76 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) | #8C8675 | 0.089 |
| Deuteranopia (no green cones) | #807E78 | 0.085 |
| Tritanopia (no blue cones) | #219088 | 0.030 |
| Achromatopsia (no color) | #818181 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #428F76
#428F76
oklch(59.4% 0.086 169.5)
- #A56986
#A56986
oklch(59.4% 0.086 349.6)
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 #428F76, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.025
- Ocean Green #3D9973 ΔE 0.032
- Slate Green #658D6D ΔE 0.034
- Viridian #1E9167 ΔE 0.035
- Blue Green #0F9B8E ΔE 0.042
- Sea #3C9992 ΔE 0.043
- Persian Green #2A9D8F ΔE 0.045
- Dark Sage #598556 ΔE 0.045
Use #428F76 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.