#338C70
Closest named color: Viridian (#1E9167). oklch(57.9% 0.095 168.8), rgb(51, 140, 112).
Aa
Black text reads best on this color (5.12:1).
About this color
#338C70 is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.095 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Viridian (#1E9167), ΔE 0.026 away. Black text reads best on it, at 5.12:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.095) |
| Temperature | in between |
| Nearest name | Viridian (#1E9167) |
| Black text | 5.12:1 |
| White text | 4.09:1 |
Values
| HEX | #338C70 |
| RGB | rgb(51, 140, 112) |
| HSL | hsl(161, 47%, 37%) |
| OKLCH | oklch(57.9% 0.095 168.8) |
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 #338C70 | 4.09:1 | AA large text | Lc -73.4 | Content text, not long reading |
| Black text on #338C70 | 5.12:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #338C70 text on white | 4.09:1 | AA large text | Lc 67.9 | Content text, not long reading |
| #338C70 text on black | 5.12:1 | AA | Lc -33.8 | 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
#E2EDE8
oklch(93.6% 0.013 167.2)
-
Step 200
200
#CBDED6
oklch(88.4% 0.023 168.7)
-
Step 300
300
#A6CABC
oklch(80.9% 0.043 169.6)
-
Step 400
400
#75AF99
oklch(70.8% 0.069 168.6)
-
Step 500
500
#4D9B80
oklch(63.2% 0.088 168.5)
-
Step 600
600 (this color)
#338C70
oklch(57.9% 0.095 168.8)
-
Step 700
700
#1B7158
oklch(49.2% 0.089 168.8)
-
Step 800
800
#1A5C48
oklch(42.8% 0.074 168.9)
-
Step 900
900
#1D4B3C
oklch(37.6% 0.057 169)
-
Step 950
950
#122C23
oklch(26.9% 0.037 168.7)
#338C70 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) | #88836F | 0.096 |
| Deuteranopia (no green cones) | #7C7A72 | 0.093 |
| Tritanopia (no blue cones) | #008D84 | 0.031 |
| Achromatopsia (no color) | #7D7D7D | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #338C70
#338C70
oklch(57.9% 0.095 168.8)
- #A46283
#A46283
oklch(58% 0.095 349.1)
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 #338C70, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Viridian #1E9167 ΔE 0.026
- Sea Green #2E8B57 ΔE 0.036
- Dusty Teal #4C9085 ΔE 0.040
- Ocean Green #3D9973 ΔE 0.041
- Dark Sage #598556 ΔE 0.042
- Dark Cyan #008B8B ΔE 0.044
- Slate Green #658D6D ΔE 0.047
- Light Forest Green #4F9153 ΔE 0.050
Use #338C70 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.