#309149
Closest named color: Fern Green (#548D44). oklch(58.3% 0.14 148.6), rgb(48, 145, 73).
Aa
Black text reads best on this color (5.27:1).
About this color
#309149 is a medium-dark, vivid green. In OKLCH its lightness is 58%, its chroma 0.140 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern Green (#548D44), ΔE 0.029 away. Black text reads best on it, at 5.27:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.140) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 5.27:1 |
| White text | 3.98:1 |
Values
| HEX | #309149 |
| RGB | rgb(48, 145, 73) |
| HSL | hsl(135, 50%, 38%) |
| OKLCH | oklch(58.3% 0.14 148.6) |
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 #309149 | 3.98:1 | AA large text | Lc -72.3 | Content text, not long reading |
| Black text on #309149 | 5.27:1 | AA | Lc 37.3 | Non-text elements, placeholder text |
| #309149 text on white | 3.98:1 | AA large text | Lc 66.8 | Content text, not long reading |
| #309149 text on black | 5.27:1 | AA | Lc -34.9 | 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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E2EDE3
oklch(93.5% 0.018 148.1)
-
Step 200
200
#CAE0CD
oklch(88.5% 0.035 149.3)
-
Step 300
300
#A5CCAA
oklch(80.8% 0.063 148.5)
-
Step 400
400
#73B27D
oklch(70.7% 0.101 148.4)
-
Step 500
500
#4A9E5C
oklch(63% 0.128 148.6)
-
Step 600
600 (this color)
#309149
oklch(58.3% 0.14 148.6)
-
Step 700
700
#167433
oklch(49.1% 0.13 148.5)
-
Step 800
800
#175E2B
oklch(42.6% 0.107 148.7)
-
Step 900
900
#1B4D27
oklch(37.6% 0.083 148.7)
-
Step 950
950
#112D17
oklch(26.8% 0.053 148.8)
#309149 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) | #928443 | 0.113 |
| Deuteranopia (no green cones) | #867C4E | 0.111 |
| Tritanopia (no blue cones) | #0B8E80 | 0.080 |
| Achromatopsia (no color) | #7F7F7F | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #309149
#309149
oklch(58.3% 0.14 148.6)
- #A759A4
#A759A4
oklch(58.3% 0.141 328.6)
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 #309149, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.029
- Sea Green #2E8B57 ΔE 0.029
- Kelley Green #009337 ΔE 0.030
- Light Forest Green #4F9153 ΔE 0.030
- Viridian #1E9167 ΔE 0.039
- Forest Green #228B22 ΔE 0.041
- Irish Green #019529 ΔE 0.043
- Emerald Green #028F1E ΔE 0.047
Use #309149 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.