#428779
Closest named color: Dusty Teal (#4C9085). oklch(57.4% 0.074 178.6), rgb(66, 135, 121).
Aa
Black text reads best on this color (4.97:1).
About this color
#428779 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 57%, its chroma 0.074 and its hue 179°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.031 away. Black text reads best on it, at 4.97:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 4.97:1 |
| White text | 4.22:1 |
Values
| HEX | #428779 |
| RGB | rgb(66, 135, 121) |
| HSL | hsl(168, 34%, 39%) |
| OKLCH | oklch(57.4% 0.074 178.6) |
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 #428779 | 4.22:1 | AA large text | Lc -74.5 | Content text, not long reading |
| Black text on #428779 | 4.97:1 | AA | Lc 35.1 | Non-text elements, placeholder text |
| #428779 text on white | 4.22:1 | AA large text | Lc 69.0 | Content text, not long reading |
| #428779 text on black | 4.97:1 | AA | Lc -32.7 | 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 600.
-
Step 50
50
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E3ECEA
oklch(93.6% 0.01 181.4)
-
Step 200
200
#CDDDD9
oklch(88.4% 0.018 179.3)
-
Step 300
300
#ABC8C1
oklch(80.9% 0.033 179.2)
-
Step 400
400
#7DACA1
oklch(70.8% 0.053 178.6)
-
Step 500
500
#59978A
oklch(63% 0.068 179)
-
Step 600
600 (this color)
#428779
oklch(57.4% 0.074 178.6)
-
Step 700
700
#2E6D61
oklch(49% 0.068 179)
-
Step 800
800
#27594F
oklch(42.6% 0.057 178.5)
-
Step 900
900
#254942
oklch(37.6% 0.044 179.8)
-
Step 950
950
#162B27
oklch(27% 0.028 180.5)
#428779 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) | #828078 | 0.077 |
| Deuteranopia (no green cones) | #77787A | 0.074 |
| Tritanopia (no blue cones) | #228983 | 0.022 |
| Achromatopsia (no color) | #7B7B7B | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #428779
#428779
oklch(57.4% 0.074 178.6)
- #9D6678
#9D6678
oklch(57.5% 0.074 358.5)
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 #428779, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.031
- Dark Cyan #008B8B ΔE 0.035
- Teal #008080 ΔE 0.043
- Slate Green #658D6D ΔE 0.046
- Teal Green #0A9396 ΔE 0.048
- Dark Sage #598556 ΔE 0.050
- Viridian #1E9167 ΔE 0.052
- Sea #3C9992 ΔE 0.055
Use #428779 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.