#309F53
Closest named color: Muted Green (#5FA052). oklch(62.2% 0.15 149.9), rgb(48, 159, 83).
Aa
Black text reads best on this color (6.20:1).
About this color
#309F53 is a medium-light, vivid green. In OKLCH its lightness is 62%, its chroma 0.150 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Muted Green (#5FA052), ΔE 0.037 away. Black text reads best on it, at 6.20:1.
| Hue family | Greens |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.150) |
| Temperature | in between |
| Nearest name | Muted Green (#5FA052) |
| Black text | 6.20:1 |
| White text | 3.38:1 |
Values
| HEX | #309F53 |
| RGB | rgb(48, 159, 83) |
| HSL | hsl(139, 54%, 41%) |
| OKLCH | oklch(62.2% 0.15 149.9) |
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 #309F53 | 3.38:1 | AA large text | Lc -66.3 | Content text, not long reading |
| Black text on #309F53 | 6.20:1 | AA | Lc 43.2 | Non-text elements, placeholder text |
| #309F53 text on white | 3.38:1 | AA large text | Lc 60.9 | Content text, not long reading |
| #309F53 text on black | 6.20:1 | AA | Lc -40.8 | 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 500.
-
Step 50
50
#F1F7F2
oklch(97% 0.009 150.7)
-
Step 100
100
#E0EEE2
oklch(93.5% 0.022 149.7)
-
Step 200
200
#C7E1CB
oklch(88.5% 0.041 149.8)
-
Step 300
300
#9FCEA8
oklch(80.8% 0.073 150.3)
-
Step 400
400
#67B579
oklch(70.7% 0.117 150)
-
Step 500
500 (this color)
#309F53
oklch(62.2% 0.15 149.9)
-
Step 600
600
#008B3E
oklch(55.6% 0.154 149.9)
-
Step 700
700
#007533
oklch(49.1% 0.136 149.9)
-
Step 800
800
#006028
oklch(42.7% 0.119 149.7)
-
Step 900
900
#0A4F23
oklch(37.6% 0.098 149.9)
-
Step 950
950
#0B2F15
oklch(27.2% 0.063 149.4)
#309F53 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) | #A0914D | 0.123 |
| Deuteranopia (no green cones) | #928858 | 0.121 |
| Tritanopia (no blue cones) | #009C8D | 0.083 |
| Achromatopsia (no color) | #8C8C8C | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #309F53
#309F53
oklch(62.2% 0.15 149.9)
- #B862B1
#B862B1
oklch(62.3% 0.149 330.2)
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 #309F53, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Green #5FA052 ΔE 0.037
- Mid Green #50A747 ΔE 0.038
- Jade #1FA774 ΔE 0.041
- Light Forest Green #4F9153 ΔE 0.045
- Seaweed Green #35AD6B ΔE 0.045
- Flat Green #699D4C ΔE 0.046
- Medium Green #39AD48 ΔE 0.047
- Jade Green #2BAF6A ΔE 0.048
Use #309F53 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.