#42917A
Closest named color: Dusty Teal (#4C9085). oklch(60% 0.086 171.7), rgb(66, 145, 122).
Aa
Black text reads best on this color (5.56:1).
About this color
#42917A is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 60%, its chroma 0.086 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.021 away. Black text reads best on it, at 5.56:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.56:1 |
| White text | 3.77:1 |
Values
| HEX | #42917A |
| RGB | rgb(66, 145, 122) |
| HSL | hsl(163, 37%, 41%) |
| OKLCH | oklch(60% 0.086 171.7) |
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 #42917A | 3.77:1 | AA large text | Lc -70.6 | Content text, not long reading |
| Black text on #42917A | 5.56:1 | AA | Lc 39.0 | Non-text elements, placeholder text |
| #42917A text on white | 3.77:1 | AA large text | Lc 65.1 | Content text, not long reading |
| #42917A text on black | 5.56:1 | AA | Lc -36.6 | 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
#CBDED7
oklch(88.4% 0.022 171.7)
-
Step 300
300
#A6CABD
oklch(80.9% 0.043 171.3)
-
Step 400
400
#74AF9B
oklch(70.8% 0.068 171)
-
Step 500
500 (this color)
#42917A
oklch(60% 0.086 171.7)
-
Step 600
600
#29856D
oklch(55.7% 0.093 171.9)
-
Step 700
700
#19705B
oklch(49% 0.086 172.4)
-
Step 800
800
#195C4A
oklch(42.8% 0.073 171.2)
-
Step 900
900
#1D4B3E
oklch(37.7% 0.055 172)
-
Step 950
950
#122C24
oklch(27% 0.036 171.2)
#42917A 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) | #8D8979 | 0.088 |
| Deuteranopia (no green cones) | #81807C | 0.085 |
| Tritanopia (no blue cones) | #1C928A | 0.028 |
| Achromatopsia (no color) | #838383 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42917A
#42917A
oklch(60% 0.086 171.7)
- #A86A86
#A86A86
oklch(59.9% 0.087 351.4)
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 #42917A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.021
- Ocean Green #3D9973 ΔE 0.029
- Slate Green #658D6D ΔE 0.035
- Sea #3C9992 ΔE 0.036
- Blue Green #0F9B8E ΔE 0.036
- Persian Green #2A9D8F ΔE 0.039
- Viridian #1E9167 ΔE 0.039
- Teal Green #0A9396 ΔE 0.044
Use #42917A 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.