#3F804A
Closest named color: Sea Green (#2E8B57). oklch(54.2% 0.107 147.7), rgb(63, 128, 74).
Aa
White text reads best on this color (4.77:1).
About this color
#3F804A is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.107 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.032 away. White text reads best on it, at 4.77:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.39:1 |
| White text | 4.77:1 |
Values
| HEX | #3F804A |
| RGB | rgb(63, 128, 74) |
| HSL | hsl(130, 34%, 37%) |
| OKLCH | oklch(54.2% 0.107 147.7) |
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 #3F804A | 4.77:1 | AA | Lc -78.4 | Fine for body text |
| Black text on #3F804A | 4.39:1 | AA large text | Lc 31.1 | Non-text elements, placeholder text |
| #3F804A text on white | 4.77:1 | AA | Lc 72.9 | Content text, not long reading |
| #3F804A text on black | 4.39:1 | AA large text | Lc -28.7 | Dividers and decoration only |
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
#F3F7F3
oklch(97.2% 0.007 145.5)
-
Step 100
100
#E4EDE5
oklch(93.7% 0.014 148.8)
-
Step 200
200
#CEDECF
oklch(88.4% 0.027 147.1)
-
Step 300
300
#ADCAAF
oklch(81% 0.049 147)
-
Step 400
400
#80AE85
oklch(70.7% 0.077 147.5)
-
Step 500
500
#5E9A67
oklch(63.1% 0.099 147.9)
-
Step 600
600 (this color)
#3F804A
oklch(54.2% 0.107 147.7)
-
Step 700
700
#34703F
oklch(49.2% 0.1 147.9)
-
Step 800
800
#2C5B34
oklch(42.7% 0.082 147.8)
-
Step 900
900
#284B2D
oklch(37.7% 0.065 147.5)
-
Step 950
950
#182C1B
oklch(27% 0.041 148)
#3F804A 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) | #817646 | 0.086 |
| Deuteranopia (no green cones) | #78704D | 0.084 |
| Tritanopia (no blue cones) | #337E73 | 0.062 |
| Achromatopsia (no color) | #737373 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F804A
#3F804A
oklch(54.2% 0.107 147.7)
- #90588F
#90588F
oklch(54.3% 0.106 327.5)
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 #3F804A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.032
- Jungle Green #048243 ΔE 0.034
- Dark Sage #598556 ΔE 0.037
- Military Green #667C3E ΔE 0.043
- Fern Green #548D44 ΔE 0.049
- Muddy Green #657432 ΔE 0.050
- Swamp #698339 ΔE 0.051
- Viridian #1E9167 ΔE 0.053
Use #3F804A 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.