#3B8657
Closest named color: Sea Green (#2E8B57). oklch(56% 0.105 153.7), rgb(59, 134, 87).
Aa
Black text reads best on this color (4.73:1).
About this color
#3B8657 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.105 and its hue 154°. 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 4.73:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.105) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.73:1 |
| White text | 4.43:1 |
Values
| HEX | #3B8657 |
| RGB | rgb(59, 134, 87) |
| HSL | hsl(142, 39%, 38%) |
| OKLCH | oklch(56% 0.105 153.7) |
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 #3B8657 | 4.43:1 | AA large text | Lc -76.0 | Fine for body text |
| Black text on #3B8657 | 4.73:1 | AA | Lc 33.5 | Non-text elements, placeholder text |
| #3B8657 text on white | 4.43:1 | AA large text | Lc 70.6 | Content text, not long reading |
| #3B8657 text on black | 4.73:1 | AA | Lc -31.1 | 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E3EDE6
oklch(93.7% 0.014 155.6)
-
Step 200
200
#CDDFD1
oklch(88.6% 0.027 152.3)
-
Step 300
300
#AACAB3
oklch(80.9% 0.047 154)
-
Step 400
400
#7BAF8B
oklch(70.7% 0.076 153.9)
-
Step 500
500
#579B6E
oklch(63.2% 0.098 153.7)
-
Step 600
600 (this color)
#3B8657
oklch(56% 0.105 153.7)
-
Step 700
700
#2B7046
oklch(48.9% 0.097 153.9)
-
Step 800
800
#255C3A
oklch(42.8% 0.081 153.9)
-
Step 900
900
#244B32
oklch(37.6% 0.062 154.1)
-
Step 950
950
#162C1D
oklch(27% 0.04 153.2)
#3B8657 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) | #867C54 | 0.093 |
| Deuteranopia (no green cones) | #7B755A | 0.089 |
| Tritanopia (no blue cones) | #26847A | 0.054 |
| Achromatopsia (no color) | #787878 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B8657
#3B8657
oklch(56% 0.105 153.7)
- #995C8E
#995C8E
oklch(56% 0.104 333.7)
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 #3B8657, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.017
- Dark Sage #598556 ΔE 0.029
- Viridian #1E9167 ΔE 0.034
- Light Forest Green #4F9153 ΔE 0.042
- Jungle Green #048243 ΔE 0.042
- Fern Green #548D44 ΔE 0.042
- Military Green #667C3E ΔE 0.050
- Swamp #698339 ΔE 0.053
Use #3B8657 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.