#398640
Closest named color: Sea Green (#2E8B57). oklch(55.4% 0.129 145.3), rgb(57, 134, 64).
Aa
Black text reads best on this color (4.65:1).
About this color
#398640 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.129 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 4.65:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.65:1 |
| White text | 4.50:1 |
Values
| HEX | #398640 |
| RGB | rgb(57, 134, 64) |
| HSL | hsl(125, 40%, 37%) |
| OKLCH | oklch(55.4% 0.129 145.3) |
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 #398640 | 4.50:1 | AA | Lc -76.5 | Fine for body text |
| Black text on #398640 | 4.65:1 | AA | Lc 33.1 | Non-text elements, placeholder text |
| #398640 text on white | 4.50:1 | AA | Lc 71.0 | Content text, not long reading |
| #398640 text on black | 4.65:1 | AA | Lc -30.6 | 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
#7BB07D
oklch(70.6% 0.092 145.4)
-
Step 500
500
#579C5B
oklch(63% 0.119 145.2)
-
Step 600
600 (this color)
#398640
oklch(55.4% 0.129 145.3)
-
Step 700
700
#2B7232
oklch(49.1% 0.121 145.2)
-
Step 800
800
#255D2A
oklch(42.7% 0.1 145.2)
-
Step 900
900
#244C27
oklch(37.7% 0.077 145.4)
-
Step 950
950
#162D17
oklch(27.1% 0.049 145)
#398640 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) | #887B3A | 0.098 |
| Deuteranopia (no green cones) | #7E7445 | 0.098 |
| Tritanopia (no blue cones) | #2B8376 | 0.079 |
| Achromatopsia (no color) | #777777 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #398640
#398640
oklch(55.4% 0.129 145.3)
- #98559C
#98559C
oklch(55.4% 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 #398640, 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 0.029
- Fern Green #548D44 ΔE 0.036
- Forest Green #228B22 ΔE 0.040
- Dark Grass Green #388004 ΔE 0.043
- Tree Green #2A7E19 ΔE 0.043
- Light Forest Green #4F9153 ΔE 0.045
- Dark Sage #598556 ΔE 0.047
Use #398640 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.