#317F4F
Closest named color: Jungle Green (#048243). oklch(53.5% 0.108 153.5), rgb(49, 127, 79).
Aa
White text reads best on this color (4.90:1).
About this color
#317F4F is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.108 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.030 away. White text reads best on it, at 4.90:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.108) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.27:1 |
| White text | 4.90:1 |
Values
| HEX | #317F4F |
| RGB | rgb(49, 127, 79) |
| HSL | hsl(143, 44%, 35%) |
| OKLCH | oklch(53.5% 0.108 153.5) |
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 #317F4F | 4.90:1 | AA | Lc -79.2 | Fine for body text |
| Black text on #317F4F | 4.27:1 | AA large text | Lc 30.3 | Non-text elements, placeholder text |
| #317F4F text on white | 4.90:1 | AA | Lc 73.7 | Content text, not long reading |
| #317F4F text on black | 4.27:1 | AA large text | Lc -28.0 | 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E3EDE6
oklch(93.7% 0.014 155.6)
-
Step 200
200
#CCDFD1
oklch(88.6% 0.028 153.8)
-
Step 300
300
#AACAB2
oklch(80.9% 0.048 152.8)
-
Step 400
400
#7AAF8A
oklch(70.6% 0.078 153.6)
-
Step 500
500
#569B6D
oklch(63.1% 0.099 153.4)
-
Step 600
600 (this color)
#317F4F
oklch(53.5% 0.108 153.5)
-
Step 700
700
#297145
oklch(49.1% 0.101 153.5)
-
Step 800
800
#245C39
oklch(42.7% 0.083 153.5)
-
Step 900
900
#234B31
oklch(37.5% 0.064 153.6)
-
Step 950
950
#152C1D
oklch(26.9% 0.041 154.1)
#317F4F 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) | #7F754C | 0.094 |
| Deuteranopia (no green cones) | #746E52 | 0.091 |
| Tritanopia (no blue cones) | #177D73 | 0.056 |
| Achromatopsia (no color) | #717171 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #317F4F
#317F4F
oklch(53.5% 0.108 153.5)
- #925487
#925487
oklch(53.5% 0.107 333.8)
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 #317F4F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.030
- Sea Green #2E8B57 ΔE 0.035
- Dark Sage #598556 ΔE 0.046
- Viridian #1E9167 ΔE 0.054
- Military Green #667C3E ΔE 0.054
- Tree Green #2A7E19 ΔE 0.057
- Muddy Green #657432 ΔE 0.059
- Fern Green #548D44 ΔE 0.060
Use #317F4F 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.