#309A65
Closest named color: Ocean Green (#3D9973). oklch(61.3% 0.126 157.2), rgb(48, 154, 101).
Aa
Black text reads best on this color (5.93:1).
About this color
#309A65 is a medium-dark, moderately saturated green. In OKLCH its lightness is 61%, its chroma 0.126 and its hue 157°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Ocean Green (#3D9973), ΔE 0.024 away. Black text reads best on it, at 5.93:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Ocean Green (#3D9973) |
| Black text | 5.93:1 |
| White text | 3.53:1 |
Values
| HEX | #309A65 |
| RGB | rgb(48, 154, 101) |
| HSL | hsl(150, 52%, 40%) |
| OKLCH | oklch(61.3% 0.126 157.2) |
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 #309A65 | 3.53:1 | AA large text | Lc -68.1 | Content text, not long reading |
| Black text on #309A65 | 5.93:1 | AA | Lc 41.5 | Non-text elements, placeholder text |
| #309A65 text on white | 3.53:1 | AA large text | Lc 62.6 | Content text, not long reading |
| #309A65 text on black | 5.93:1 | AA | Lc -39.1 | 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
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#E1EEE5
oklch(93.7% 0.018 155.8)
-
Step 200
200
#C8E0D0
oklch(88.4% 0.034 156.5)
-
Step 300
300
#A0CDB1
oklch(80.8% 0.062 157.4)
-
Step 400
400
#69B388
oklch(70.6% 0.098 157.2)
-
Step 500
500 (this color)
#309A65
oklch(61.3% 0.126 157.2)
-
Step 600
600
#008953
oklch(55.5% 0.131 157.3)
-
Step 700
700
#007445
oklch(49.2% 0.117 157)
-
Step 800
800
#005F38
oklch(42.7% 0.101 157.3)
-
Step 900
900
#0E4E30
oklch(37.7% 0.081 157.6)
-
Step 950
950
#0C2E1C
oklch(27% 0.052 156.9)
#309A65 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) | #998E62 | 0.115 |
| Deuteranopia (no green cones) | #8B8468 | 0.112 |
| Tritanopia (no blue cones) | #00998C | 0.057 |
| Achromatopsia (no color) | #888888 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #309A65
#309A65
oklch(61.3% 0.126 157.2)
- #B3649F
#B3649F
oklch(61.2% 0.126 337.2)
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 #309A65, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Green #3D9973 ΔE 0.024
- Viridian #1E9167 ΔE 0.031
- Light Forest Green #4F9153 ΔE 0.032
- Jade #1FA774 ΔE 0.037
- Sea Green #2E8B57 ΔE 0.045
- Fern Green #548D44 ΔE 0.047
- Muted Green #5FA052 ΔE 0.048
- Flat Green #699D4C ΔE 0.055
Use #309A65 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.