#309150
Closest named color: Sea Green (#2E8B57). oklch(58.4% 0.133 150.8), rgb(48, 145, 80).
Aa
Black text reads best on this color (5.29:1).
About this color
#309150 is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.133 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.023 away. Black text reads best on it, at 5.29:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.133) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 5.29:1 |
| White text | 3.96:1 |
Values
| HEX | #309150 |
| RGB | rgb(48, 145, 80) |
| HSL | hsl(140, 50%, 38%) |
| OKLCH | oklch(58.4% 0.133 150.8) |
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 #309150 | 3.96:1 | AA large text | Lc -72.2 | Content text, not long reading |
| Black text on #309150 | 5.29:1 | AA | Lc 37.4 | Non-text elements, placeholder text |
| #309150 text on white | 3.96:1 | AA large text | Lc 66.7 | Content text, not long reading |
| #309150 text on black | 5.29:1 | AA | Lc -35.0 | 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
#E2EDE4
oklch(93.5% 0.017 151.1)
-
Step 200
200
#CAE0CE
oklch(88.5% 0.034 150.8)
-
Step 300
300
#A5CCAD
oklch(80.8% 0.06 151)
-
Step 400
400
#73B282
oklch(70.8% 0.096 150.9)
-
Step 500
500
#4A9E62
oklch(63.1% 0.122 150.8)
-
Step 600
600 (this color)
#309150
oklch(58.4% 0.133 150.8)
-
Step 700
700
#157439
oklch(49.2% 0.125 150.6)
-
Step 800
800
#165E30
oklch(42.7% 0.102 151)
-
Step 900
900
#1B4D2A
oklch(37.6% 0.08 150.6)
-
Step 950
950
#112D19
oklch(26.9% 0.051 151)
#309150 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) | #92854B | 0.112 |
| Deuteranopia (no green cones) | #857C54 | 0.110 |
| Tritanopia (no blue cones) | #038F81 | 0.071 |
| Achromatopsia (no color) | #808080 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #309150
#309150
oklch(58.4% 0.133 150.8)
- #A75BA0
#A75BA0
oklch(58.4% 0.134 330.6)
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 #309150, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.023
- Light Forest Green #4F9153 ΔE 0.025
- Fern Green #548D44 ΔE 0.029
- Viridian #1E9167 ΔE 0.031
- Kelley Green #009337 ΔE 0.037
- Moss Green #658B38 ΔE 0.048
- Forest Green #228B22 ΔE 0.049
- Ocean Green #3D9973 ΔE 0.050
Use #309150 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.