#318653
Closest named color: Sea Green (#2E8B57). oklch(55.5% 0.114 153.8), rgb(49, 134, 83).
Aa
Black text reads best on this color (4.66:1).
About this color
#318653 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.114 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.014 away. Black text reads best on it, at 4.66:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.114) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.66:1 |
| White text | 4.50:1 |
Values
| HEX | #318653 |
| RGB | rgb(49, 134, 83) |
| HSL | hsl(144, 46%, 36%) |
| OKLCH | oklch(55.5% 0.114 153.8) |
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 #318653 | 4.50:1 | AA | Lc -76.4 | Fine for body text |
| Black text on #318653 | 4.66:1 | AA | Lc 33.1 | Non-text elements, placeholder text |
| #318653 text on white | 4.50:1 | AA | Lc 71.0 | Content text, not long reading |
| #318653 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E3EDE5
oklch(93.6% 0.015 151.8)
-
Step 200
200
#CBDFD1
oklch(88.5% 0.029 155.2)
-
Step 300
300
#A8CBB2
oklch(81% 0.051 154.1)
-
Step 400
400
#78B089
oklch(70.7% 0.082 153.5)
-
Step 500
500
#519C6C
oklch(63.1% 0.105 154.1)
-
Step 600
600 (this color)
#318653
oklch(55.5% 0.114 153.8)
-
Step 700
700
#237244
oklch(49.2% 0.106 153.9)
-
Step 800
800
#1F5D38
oklch(42.8% 0.088 153.9)
-
Step 900
900
#204C30
oklch(37.7% 0.069 153.6)
-
Step 950
950
#142D1C
oklch(27.1% 0.045 152.8)
#318653 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) | #867B50 | 0.101 |
| Deuteranopia (no green cones) | #7B7356 | 0.099 |
| Tritanopia (no blue cones) | #0F8479 | 0.058 |
| Achromatopsia (no color) | #777777 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #318653
#318653
oklch(55.5% 0.114 153.8)
- #9A588F
#9A588F
oklch(55.5% 0.113 333.4)
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 #318653, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.014
- Jungle Green #048243 ΔE 0.033
- Viridian #1E9167 ΔE 0.035
- Dark Sage #598556 ΔE 0.038
- Fern Green #548D44 ΔE 0.044
- Light Forest Green #4F9153 ΔE 0.045
- Military Green #667C3E ΔE 0.055
- Swamp #698339 ΔE 0.057
Use #318653 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.