#428977
Closest named color: Dusty Teal (#4C9085). oklch(57.9% 0.077 174.7), rgb(66, 137, 119).
Aa
Black text reads best on this color (5.07:1).
About this color
#428977 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 58%, its chroma 0.077 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.029 away. Black text reads best on it, at 5.07:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.07:1 |
| White text | 4.13:1 |
Values
| HEX | #428977 |
| RGB | rgb(66, 137, 119) |
| HSL | hsl(165, 35%, 40%) |
| OKLCH | oklch(57.9% 0.077 174.7) |
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 #428977 | 4.13:1 | AA large text | Lc -73.8 | Content text, not long reading |
| Black text on #428977 | 5.07:1 | AA | Lc 35.8 | Non-text elements, placeholder text |
| #428977 text on white | 4.13:1 | AA large text | Lc 68.3 | Content text, not long reading |
| #428977 text on black | 5.07:1 | AA | Lc -33.4 | 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 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
#CDDED8
oklch(88.6% 0.02 172.7)
-
Step 300
300
#AAC8BF
oklch(80.8% 0.035 175.4)
-
Step 400
400
#7CAC9E
oklch(70.6% 0.055 174.7)
-
Step 500
500
#589887
oklch(63.2% 0.071 174.9)
-
Step 600
600 (this color)
#428977
oklch(57.9% 0.077 174.7)
-
Step 700
700
#2C6E5E
oklch(49.1% 0.072 174.7)
-
Step 800
800
#265A4D
oklch(42.8% 0.06 174.6)
-
Step 900
900
#244A40
oklch(37.8% 0.047 174.5)
-
Step 950
950
#162B25
oklch(26.9% 0.03 173.8)
#428977 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) | #858176 | 0.081 |
| Deuteranopia (no green cones) | #7A7978 | 0.078 |
| Tritanopia (no blue cones) | #228A84 | 0.025 |
| Achromatopsia (no color) | #7D7D7D | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #428977
#428977
oklch(57.9% 0.077 174.7)
- #9F677C
#9F677C
oklch(58% 0.077 355.7)
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 #428977, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.029
- Dark Cyan #008B8B ΔE 0.037
- Slate Green #658D6D ΔE 0.041
- Viridian #1E9167 ΔE 0.046
- Dark Sage #598556 ΔE 0.046
- Teal Green #0A9396 ΔE 0.048
- Teal #008080 ΔE 0.049
- Ocean Green #3D9973 ΔE 0.051
Use #428977 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.