#378970
Closest named color: Viridian (#1E9167). oklch(57.2% 0.089 170), rgb(55, 137, 112).
Aa
Black text reads best on this color (4.97:1).
About this color
#378970 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 57%, its chroma 0.089 and its hue 170°. Its hue sits on the cool side of the wheel. The nearest named color is Viridian (#1E9167), ΔE 0.034 away. Black text reads best on it, at 4.97:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Viridian (#1E9167) |
| Black text | 4.97:1 |
| White text | 4.22:1 |
Values
| HEX | #378970 |
| RGB | rgb(55, 137, 112) |
| HSL | hsl(162, 43%, 38%) |
| OKLCH | oklch(57.2% 0.089 170) |
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 #378970 | 4.22:1 | AA large text | Lc -74.4 | Content text, not long reading |
| Black text on #378970 | 4.97:1 | AA | Lc 35.2 | Non-text elements, placeholder text |
| #378970 text on white | 4.22:1 | AA large text | Lc 68.9 | Content text, not long reading |
| #378970 text on black | 4.97:1 | AA | Lc -32.8 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E3ECE9
oklch(93.5% 0.01 174.3)
-
Step 200
200
#CCDED7
oklch(88.5% 0.021 170.6)
-
Step 300
300
#A8C9BD
oklch(80.8% 0.039 171.3)
-
Step 400
400
#78AE9A
oklch(70.7% 0.064 169.4)
-
Step 500
500
#519A82
oklch(63.2% 0.083 170)
-
Step 600
600 (this color)
#378970
oklch(57.2% 0.089 170)
-
Step 700
700
#237059
oklch(49.2% 0.083 169.4)
-
Step 800
800
#1F5B49
oklch(42.7% 0.069 169.9)
-
Step 900
900
#204B3D
oklch(37.8% 0.054 169.6)
-
Step 950
950
#142C24
oklch(27.1% 0.034 170)
#378970 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) | #85806F | 0.091 |
| Deuteranopia (no green cones) | #797872 | 0.087 |
| Tritanopia (no blue cones) | #008A82 | 0.031 |
| Achromatopsia (no color) | #7B7B7B | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #378970
#378970
oklch(57.2% 0.089 170)
- #A0627F
#A0627F
oklch(57.3% 0.088 350.7)
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 #378970, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Viridian #1E9167 ΔE 0.034
- Sea Green #2E8B57 ΔE 0.040
- Dusty Teal #4C9085 ΔE 0.041
- Dark Sage #598556 ΔE 0.041
- Dark Cyan #008B8B ΔE 0.041
- Slate Green #658D6D ΔE 0.048
- Teal #008080 ΔE 0.049
- Ocean Green #3D9973 ΔE 0.049
Use #378970 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.