#317A3A
Closest named color: Jungle Green (#048243). oklch(51.7% 0.121 145.9), rgb(49, 122, 58).
Aa
White text reads best on this color (5.28:1).
About this color
#317A3A is a medium-dark, moderately saturated green. In OKLCH its lightness is 52%, its chroma 0.121 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.026 away. White text reads best on it, at 5.28:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 3.97:1 |
| White text | 5.28:1 |
Values
| HEX | #317A3A |
| RGB | rgb(49, 122, 58) |
| HSL | hsl(127, 43%, 34%) |
| OKLCH | oklch(51.7% 0.121 145.9) |
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 #317A3A | 5.28:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #317A3A | 3.97:1 | AA large text | Lc 28.1 | Dividers and decoration only |
| #317A3A text on white | 5.28:1 | AA | Lc 76.0 | Fine for body text |
| #317A3A text on black | 3.97:1 | AA large text | Lc -25.8 | 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 700.
-
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
#CCDFCD
oklch(88.4% 0.032 146.8)
-
Step 300
300
#A9CBAA
oklch(80.8% 0.059 145.8)
-
Step 400
400
#7AB17D
oklch(70.8% 0.095 145.8)
-
Step 500
500
#559D5B
oklch(63.2% 0.121 145.7)
-
Step 600
600
#378741
oklch(55.7% 0.131 145.9)
-
Step 700
700 (this color)
#317A3A
oklch(51.7% 0.121 145.9)
-
Step 800
800
#235D2B
oklch(42.7% 0.1 146.2)
-
Step 900
900
#234C27
oklch(37.6% 0.077 145.9)
-
Step 950
950
#152D17
oklch(27.1% 0.05 145.8)
#317A3A 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) | #7C7035 | 0.094 |
| Deuteranopia (no green cones) | #72693F | 0.093 |
| Tritanopia (no blue cones) | #22776B | 0.073 |
| Achromatopsia (no color) | #6C6C6C | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #317A3A
#317A3A
oklch(51.7% 0.121 145.9)
- #8B4D8D
#8B4D8D
oklch(51.8% 0.12 326)
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 #317A3A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.026
- Tree Green #2A7E19 ΔE 0.037
- Dark Grass Green #388004 ΔE 0.046
- Dark Olive Green #556B2F ΔE 0.053
- Sea Green #2E8B57 ΔE 0.055
- Green #008000 ΔE 0.056
- Muddy Green #657432 ΔE 0.057
- Military Green #667C3E ΔE 0.060
Use #317A3A 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.