#42917F
Closest named color: Dusty Teal (#4C9085). oklch(60.2% 0.083 176.3), rgb(66, 145, 127).
Aa
Black text reads best on this color (5.58:1).
About this color
#42917F is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 60%, its chroma 0.083 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.014 away. Black text reads best on it, at 5.58:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.58:1 |
| White text | 3.75:1 |
Values
| HEX | #42917F |
| RGB | rgb(66, 145, 127) |
| HSL | hsl(166, 37%, 41%) |
| OKLCH | oklch(60.2% 0.083 176.3) |
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 #42917F | 3.75:1 | AA large text | Lc -70.4 | Content text, not long reading |
| Black text on #42917F | 5.58:1 | AA | Lc 39.1 | Non-text elements, placeholder text |
| #42917F text on white | 3.75:1 | AA large text | Lc 64.9 | Content text, not long reading |
| #42917F text on black | 5.58:1 | AA | Lc -36.7 | 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
#E2EDE9
oklch(93.7% 0.013 172.4)
-
Step 200
200
#CADED8
oklch(88.4% 0.023 175.9)
-
Step 300
300
#A6CAC0
oklch(81% 0.041 176.5)
-
Step 400
400
#74AE9F
oklch(70.6% 0.065 176.3)
-
Step 500
500 (this color)
#42917F
oklch(60.2% 0.083 176.3)
-
Step 600
600
#288471
oklch(55.5% 0.09 176.1)
-
Step 700
700
#19705F
oklch(49.1% 0.084 176.2)
-
Step 800
800
#195B4E
oklch(42.6% 0.069 176.9)
-
Step 900
900
#1C4B41
oklch(37.7% 0.054 177)
-
Step 950
950
#122C26
oklch(27% 0.034 176.7)
#42917F 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) | #8C897E | 0.087 |
| Deuteranopia (no green cones) | #808080 | 0.083 |
| Tritanopia (no blue cones) | #17938C | 0.026 |
| Achromatopsia (no color) | #848484 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42917F
#42917F
oklch(60.2% 0.083 176.3)
- #A96C82
#A96C82
oklch(60.3% 0.083 356.6)
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 #42917F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.014
- Sea #3C9992 ΔE 0.031
- Blue Green #0F9B8E ΔE 0.034
- Ocean Green #3D9973 ΔE 0.035
- Persian Green #2A9D8F ΔE 0.036
- Slate Green #658D6D ΔE 0.038
- Teal Green #0A9396 ΔE 0.038
- Dark Cyan #008B8B ΔE 0.041
Use #42917F 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.