#42937A
Closest named color: Dusty Teal (#4C9085). oklch(60.5% 0.089 170.4), rgb(66, 147, 122).
Aa
Black text reads best on this color (5.68:1).
About this color
#42937A is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 61%, its chroma 0.089 and its hue 170°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.024 away. Black text reads best on it, at 5.68:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.68:1 |
| White text | 3.69:1 |
Values
| HEX | #42937A |
| RGB | rgb(66, 147, 122) |
| HSL | hsl(161, 38%, 42%) |
| OKLCH | oklch(60.5% 0.089 170.4) |
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 #42937A | 3.69:1 | AA large text | Lc -69.8 | Content text, not long reading |
| Black text on #42937A | 5.68:1 | AA | Lc 39.8 | Non-text elements, placeholder text |
| #42937A text on white | 3.69:1 | AA large text | Lc 64.3 | Content text, not long reading |
| #42937A text on black | 5.68:1 | AA | Lc -37.4 | 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 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
#CADFD7
oklch(88.6% 0.025 170.9)
-
Step 300
300
#A6CABC
oklch(80.9% 0.043 169.6)
-
Step 400
400
#73AF9A
oklch(70.7% 0.07 170.2)
-
Step 500
500 (this color)
#42937A
oklch(60.5% 0.089 170.4)
-
Step 600
600
#26856B
oklch(55.5% 0.096 170.6)
-
Step 700
700
#167159
oklch(49.1% 0.09 170.1)
-
Step 800
800
#175C49
oklch(42.7% 0.074 170.4)
-
Step 900
900
#1C4B3D
oklch(37.6% 0.057 170.8)
-
Step 950
950
#122C24
oklch(27% 0.036 171.2)
#42937A 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) | #8F8A79 | 0.091 |
| Deuteranopia (no green cones) | #83817C | 0.088 |
| Tritanopia (no blue cones) | #1B948C | 0.031 |
| Achromatopsia (no color) | #858585 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42937A
#42937A
oklch(60.5% 0.089 170.4)
- #AA6B89
#AA6B89
oklch(60.5% 0.089 350.1)
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 #42937A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.024
- Ocean Green #3D9973 ΔE 0.024
- Blue Green #0F9B8E ΔE 0.034
- Sea #3C9992 ΔE 0.034
- Persian Green #2A9D8F ΔE 0.035
- Slate Green #658D6D ΔE 0.035
- Viridian #1E9167 ΔE 0.038
- Grey Teal #5E9B8A ΔE 0.043
Use #42937A 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.