#398F6F
Closest named color: Viridian (#1E9167). oklch(58.9% 0.097 165.6), rgb(57, 143, 111).
Aa
Black text reads best on this color (5.33:1).
About this color
#398F6F is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.097 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Viridian (#1E9167), ΔE 0.022 away. Black text reads best on it, at 5.33:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.097) |
| Temperature | in between |
| Nearest name | Viridian (#1E9167) |
| Black text | 5.33:1 |
| White text | 3.93:1 |
Values
| HEX | #398F6F |
| RGB | rgb(57, 143, 111) |
| HSL | hsl(158, 43%, 39%) |
| OKLCH | oklch(58.9% 0.097 165.6) |
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 #398F6F | 3.93:1 | AA large text | Lc -72.0 | Content text, not long reading |
| Black text on #398F6F | 5.33:1 | AA | Lc 37.6 | Non-text elements, placeholder text |
| #398F6F text on white | 3.93:1 | AA large text | Lc 66.5 | Content text, not long reading |
| #398F6F text on black | 5.33:1 | AA | Lc -35.1 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE8
oklch(93.6% 0.013 167.2)
-
Step 200
200
#CBDFD5
oklch(88.6% 0.025 164.4)
-
Step 300
300
#A7CABA
oklch(80.9% 0.044 165.9)
-
Step 400
400
#76AF96
oklch(70.7% 0.07 165.3)
-
Step 500
500
#4F9B7D
oklch(63.2% 0.089 165.8)
-
Step 600
600 (this color)
#398F6F
oklch(58.9% 0.097 165.6)
-
Step 700
700
#1F7154
oklch(49.2% 0.091 165.1)
-
Step 800
800
#1D5C45
oklch(42.8% 0.075 165.3)
-
Step 900
900
#1F4B3A
oklch(37.6% 0.057 165.6)
-
Step 950
950
#132C22
oklch(26.9% 0.037 165.7)
#398F6F 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) | #8C856D | 0.096 |
| Deuteranopia (no green cones) | #807D71 | 0.092 |
| Tritanopia (no blue cones) | #068F86 | 0.037 |
| Achromatopsia (no color) | #808080 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #398F6F
#398F6F
oklch(58.9% 0.097 165.6)
- #A66489
#A66489
oklch(58.8% 0.098 345.8)
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 #398F6F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Viridian #1E9167 ΔE 0.022
- Ocean Green #3D9973 ΔE 0.030
- Sea Green #2E8B57 ΔE 0.036
- Dusty Teal #4C9085 ΔE 0.039
- Dark Sage #598556 ΔE 0.041
- Slate Green #658D6D ΔE 0.041
- Light Forest Green #4F9153 ΔE 0.042
- Blue Green #0F9B8E ΔE 0.047
Use #398F6F 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.