#398740
Closest named color: Sea Green (#2E8B57). oklch(55.7% 0.131 145.2), rgb(57, 135, 64).
Aa
Black text reads best on this color (4.71:1).
About this color
#398740 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.131 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.027 away. Black text reads best on it, at 4.71:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.131) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.71:1 |
| White text | 4.45:1 |
Values
| HEX | #398740 |
| RGB | rgb(57, 135, 64) |
| HSL | hsl(125, 41%, 38%) |
| OKLCH | oklch(55.7% 0.131 145.2) |
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 #398740 | 4.45:1 | AA large text | Lc -76.1 | Fine for body text |
| Black text on #398740 | 4.71:1 | AA | Lc 33.4 | Non-text elements, placeholder text |
| #398740 text on white | 4.45:1 | AA large text | Lc 70.6 | Content text, not long reading |
| #398740 text on black | 4.71:1 | AA | Lc -31.0 | 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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E3EDE3
oklch(93.6% 0.017 145.4)
-
Step 200
200
#CCDFCC
oklch(88.4% 0.033 145.3)
-
Step 300
300
#AACBAA
oklch(80.9% 0.058 145)
-
Step 400
400
#7BB07C
oklch(70.6% 0.093 145)
-
Step 500
500
#569C5A
oklch(63% 0.12 145.2)
-
Step 600
600 (this color)
#398740
oklch(55.7% 0.131 145.2)
-
Step 700
700
#2A7231
oklch(49.1% 0.122 145.1)
-
Step 800
800
#255D2A
oklch(42.7% 0.1 145.2)
-
Step 900
900
#234C26
oklch(37.6% 0.078 145.3)
-
Step 950
950
#162D17
oklch(27.1% 0.049 145)
#398740 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) | #897C3A | 0.099 |
| Deuteranopia (no green cones) | #7F7545 | 0.098 |
| Tritanopia (no blue cones) | #2A8477 | 0.080 |
| Achromatopsia (no color) | #777777 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #398740
#398740
oklch(55.7% 0.131 145.2)
- #99569D
#99569D
oklch(55.7% 0.13 325.1)
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 #398740, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.027
- Jungle Green #048243 ΔE 0.031
- Fern Green #548D44 ΔE 0.033
- Forest Green #228B22 ΔE 0.039
- Light Forest Green #4F9153 ΔE 0.043
- Dark Grass Green #388004 ΔE 0.044
- Tree Green #2A7E19 ΔE 0.044
- Kelley Green #009337 ΔE 0.044
Use #398740 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.