#308D49
Closest named color: Sea Green (#2E8B57). oklch(57.2% 0.134 149), rgb(48, 141, 73).
Aa
Black text reads best on this color (5.03:1).
About this color
#308D49 is a medium-dark, moderately saturated green. In OKLCH its lightness is 57%, its chroma 0.134 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.021 away. Black text reads best on it, at 5.03:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 5.03:1 |
| White text | 4.17:1 |
Values
| HEX | #308D49 |
| RGB | rgb(48, 141, 73) |
| HSL | hsl(136, 49%, 37%) |
| OKLCH | oklch(57.2% 0.134 149) |
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 #308D49 | 4.17:1 | AA large text | Lc -73.9 | Content text, not long reading |
| Black text on #308D49 | 5.03:1 | AA | Lc 35.7 | Non-text elements, placeholder text |
| #308D49 text on white | 4.17:1 | AA large text | Lc 68.4 | Content text, not long reading |
| #308D49 text on black | 5.03:1 | AA | Lc -33.3 | 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
#E2EDE4
oklch(93.5% 0.017 151.1)
-
Step 200
200
#CBE0CD
oklch(88.6% 0.034 148)
-
Step 300
300
#A6CCAC
oklch(80.9% 0.06 149.5)
-
Step 400
400
#74B27F
oklch(70.8% 0.098 149)
-
Step 500
500
#4D9E5F
oklch(63.2% 0.123 149)
-
Step 600
600 (this color)
#308D49
oklch(57.2% 0.134 149)
-
Step 700
700
#1B7336
oklch(49% 0.124 149.1)
-
Step 800
800
#1A5E2D
oklch(42.7% 0.104 148.9)
-
Step 900
900
#1D4D29
oklch(37.7% 0.08 149.3)
-
Step 950
950
#122D18
oklch(26.9% 0.051 149.2)
#308D49 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) | #8E8144 | 0.109 |
| Deuteranopia (no green cones) | #82794E | 0.107 |
| Tritanopia (no blue cones) | #0F8A7D | 0.077 |
| Achromatopsia (no color) | #7C7C7C | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #308D49
#308D49
oklch(57.2% 0.134 149)
- #A2589E
#A2589E
oklch(57.2% 0.133 329.1)
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 #308D49, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.021
- Fern Green #548D44 ΔE 0.029
- Light Forest Green #4F9153 ΔE 0.033
- Kelley Green #009337 ΔE 0.036
- Viridian #1E9167 ΔE 0.037
- Forest Green #228B22 ΔE 0.040
- Jungle Green #048243 ΔE 0.041
- Moss Green #658B38 ΔE 0.048
Use #308D49 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.