#398F53
Closest named color: Sea Green (#2E8B57). oklch(58.2% 0.123 150.7), rgb(57, 143, 83).
Aa
Black text reads best on this color (5.22:1).
About this color
#398F53 is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.123 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.017 away. Black text reads best on it, at 5.22:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 5.22:1 |
| White text | 4.01:1 |
Values
| HEX | #398F53 |
| RGB | rgb(57, 143, 83) |
| HSL | hsl(138, 43%, 39%) |
| OKLCH | oklch(58.2% 0.123 150.7) |
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 #398F53 | 4.01:1 | AA large text | Lc -72.7 | Content text, not long reading |
| Black text on #398F53 | 5.22:1 | AA | Lc 36.9 | Non-text elements, placeholder text |
| #398F53 text on white | 4.01:1 | AA large text | Lc 67.2 | Content text, not long reading |
| #398F53 text on black | 5.22:1 | AA | Lc -34.5 | 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E3EDE4
oklch(93.6% 0.016 148.4)
-
Step 200
200
#CBDFCF
oklch(88.4% 0.03 151.5)
-
Step 300
300
#A8CBAE
oklch(80.9% 0.055 150)
-
Step 400
400
#77B184
oklch(70.8% 0.089 150.6)
-
Step 500
500
#509D65
oklch(63.2% 0.114 150.8)
-
Step 600
600 (this color)
#398F53
oklch(58.2% 0.123 150.7)
-
Step 700
700
#21723D
oklch(49% 0.114 151)
-
Step 800
800
#1E5D32
oklch(42.6% 0.095 150.6)
-
Step 900
900
#204C2C
oklch(37.6% 0.073 150.4)
-
Step 950
950
#142D1A
oklch(27.1% 0.047 150)
#398F53 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) | #90844F | 0.104 |
| Deuteranopia (no green cones) | #847C57 | 0.101 |
| Tritanopia (no blue cones) | #218D80 | 0.066 |
| Achromatopsia (no color) | #7F7F7F | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #398F53
#398F53
oklch(58.2% 0.123 150.7)
- #A45E9D
#A45E9D
oklch(58.3% 0.123 330.7)
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 #398F53, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.017
- Light Forest Green #4F9153 ΔE 0.020
- Fern Green #548D44 ΔE 0.025
- Viridian #1E9167 ΔE 0.026
- Dark Sage #598556 ΔE 0.041
- Moss Green #658B38 ΔE 0.044
- Ocean Green #3D9973 ΔE 0.047
- Kelley Green #009337 ΔE 0.047
Use #398F53 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.