#308563
Closest named color: Sea Green (#2E8B57). oklch(55.6% 0.098 163.4), rgb(48, 133, 99).
Aa
Black text reads best on this color (4.66:1).
About this color
#308563 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.098 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.029 away. Black text reads best on it, at 4.66:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.098) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.66:1 |
| White text | 4.50:1 |
Values
| HEX | #308563 |
| RGB | rgb(48, 133, 99) |
| HSL | hsl(156, 47%, 35%) |
| OKLCH | oklch(55.6% 0.098 163.4) |
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 #308563 | 4.50:1 | AA | Lc -76.5 | Fine for body text |
| Black text on #308563 | 4.66:1 | AA | Lc 33.1 | Non-text elements, placeholder text |
| #308563 text on white | 4.50:1 | AA | Lc 71.0 | Content text, not long reading |
| #308563 text on black | 4.66:1 | AA | Lc -30.7 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3EDE7
oklch(93.7% 0.013 159.9)
-
Step 200
200
#CBDED5
oklch(88.4% 0.024 165.8)
-
Step 300
300
#A8CAB9
oklch(80.9% 0.043 163.6)
-
Step 400
400
#77AF94
oklch(70.7% 0.071 163)
-
Step 500
500
#519B7A
oklch(63.2% 0.09 163)
-
Step 600
600 (this color)
#308563
oklch(55.6% 0.098 163.4)
-
Step 700
700
#217152
oklch(49.2% 0.092 163.3)
-
Step 800
800
#1E5C43
oklch(42.8% 0.076 163.1)
-
Step 900
900
#204B39
oklch(37.6% 0.058 163.9)
-
Step 950
950
#142C21
oklch(27% 0.037 162.7)
#308563 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) | #837C61 | 0.096 |
| Deuteranopia (no green cones) | #777365 | 0.093 |
| Tritanopia (no blue cones) | #00857C | 0.039 |
| Achromatopsia (no color) | #777777 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #308563
#308563
oklch(55.6% 0.098 163.4)
- #9B5B82
#9B5B82
oklch(55.6% 0.098 343.5)
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 #308563, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.029
- Viridian #1E9167 ΔE 0.035
- Dark Sage #598556 ΔE 0.038
- Jungle Green #048243 ΔE 0.051
- Teal #008080 ΔE 0.053
- Light Forest Green #4F9153 ΔE 0.055
- Dark Cyan #008B8B ΔE 0.057
- Bluegreen #017A79 ΔE 0.059
Use #308563 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.