#309357
Closest named color: Light Forest Green (#4F9153). oklch(59.1% 0.129 153), rgb(48, 147, 87).
Aa
Black text reads best on this color (5.43:1).
About this color
#309357 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.129 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Forest Green (#4F9153), ΔE 0.023 away. Black text reads best on it, at 5.43:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Light Forest Green (#4F9153) |
| Black text | 5.43:1 |
| White text | 3.86:1 |
Values
| HEX | #309357 |
| RGB | rgb(48, 147, 87) |
| HSL | hsl(144, 51%, 38%) |
| OKLCH | oklch(59.1% 0.129 153) |
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 #309357 | 3.86:1 | AA large text | Lc -71.3 | Content text, not long reading |
| Black text on #309357 | 5.43:1 | AA | Lc 38.3 | Non-text elements, placeholder text |
| #309357 text on white | 3.86:1 | AA large text | Lc 65.8 | Content text, not long reading |
| #309357 text on black | 5.43:1 | AA | Lc -35.9 | 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
#E2EDE5
oklch(93.6% 0.016 154.5)
-
Step 200
200
#CAE0CF
oklch(88.6% 0.033 152.4)
-
Step 300
300
#A5CCAF
oklch(80.9% 0.058 152.8)
-
Step 400
400
#72B285
oklch(70.8% 0.093 152.9)
-
Step 500
500
#489E66
oklch(63.1% 0.119 152.9)
-
Step 600
600 (this color)
#309357
oklch(59.1% 0.129 153)
-
Step 700
700
#11733E
oklch(49% 0.119 153.1)
-
Step 800
800
#145E33
oklch(42.7% 0.1 152.8)
-
Step 900
900
#1A4D2D
oklch(37.6% 0.077 153)
-
Step 950
950
#112D1B
oklch(26.9% 0.048 153.5)
#309357 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) | #938753 | 0.112 |
| Deuteranopia (no green cones) | #867E5B | 0.109 |
| Tritanopia (no blue cones) | #009184 | 0.067 |
| Achromatopsia (no color) | #828282 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #309357
#309357
oklch(59.1% 0.129 153)
- #AA5E9E
#AA5E9E
oklch(59.1% 0.129 333.2)
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 #309357, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Forest Green #4F9153 ΔE 0.023
- Viridian #1E9167 ΔE 0.025
- Sea Green #2E8B57 ΔE 0.025
- Fern Green #548D44 ΔE 0.032
- Ocean Green #3D9973 ΔE 0.041
- Kelley Green #009337 ΔE 0.044
- Moss Green #658B38 ΔE 0.050
- Dark Sage #598556 ΔE 0.051
Use #309357 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.